Home / 143,150.70-214,726.05-37,980.30

Finding the Fourth Proportional to 143,150.70, 214,726.05 and 37,980.30

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Solution

The fourth proportional to 143,150.70, 214,726.05 and 37,980.30 is: 56,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,150.70 : 214,726.05 = 37,980.30 : x
  2. Step 2: Convert to fraction form
    143,150.70/214,726.05 = 37,980.30/x
  3. Step 3: Cross multiply
    143,150.70x = 214,726.05 × 37,980.30
  4. Step 4: Simplify right side
    143,150.70x = 8,155,359,796.82
  5. Step 5: Solve for x
    x = 8,155,359,796.82/143,150.70
  6. Step 6: Final answer
    x = 56,970.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.