Home / 102,507.60-141,470.64-62,218.20

Finding the Fourth Proportional to 102,507.60, 141,470.64 and 62,218.20

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Solution

The fourth proportional to 102,507.60, 141,470.64 and 62,218.20 is: 85,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,507.60 : 141,470.64 = 62,218.20 : x
  2. Step 2: Convert to fraction form
    102,507.60/141,470.64 = 62,218.20/x
  3. Step 3: Cross multiply
    102,507.60x = 141,470.64 × 62,218.20
  4. Step 4: Simplify right side
    102,507.60x = 8,802,048,573.65
  5. Step 5: Solve for x
    x = 8,802,048,573.65/102,507.60
  6. Step 6: Final answer
    x = 85,867.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.