Home / 143,844.12-215,766-38,663.10

Finding the Fourth Proportional to 143,844.12, 215,766 and 38,663.10

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Solution

The fourth proportional to 143,844.12, 215,766 and 38,663.10 is: 57,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,844.12 : 215,766 = 38,663.10 : x
  2. Step 2: Convert to fraction form
    143,844.12/215,766 = 38,663.10/x
  3. Step 3: Cross multiply
    143,844.12x = 215,766 × 38,663.10
  4. Step 4: Simplify right side
    143,844.12x = 8,342,182,434.60
  5. Step 5: Solve for x
    x = 8,342,182,434.60/143,844.12
  6. Step 6: Final answer
    x = 57,994.60

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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.