Home / 146,858.40-220,314.33-96,980.22

Finding the Fourth Proportional to 146,858.40, 220,314.33 and 96,980.22

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Solution

The fourth proportional to 146,858.40, 220,314.33 and 96,980.22 is: 145,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,858.40 : 220,314.33 = 96,980.22 : x
  2. Step 2: Convert to fraction form
    146,858.40/220,314.33 = 96,980.22/x
  3. Step 3: Cross multiply
    146,858.40x = 220,314.33 × 96,980.22
  4. Step 4: Simplify right side
    146,858.40x = 21,366,132,192.55
  5. Step 5: Solve for x
    x = 21,366,132,192.55/146,858.40
  6. Step 6: Final answer
    x = 145,487.98

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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.