Home / 102,689.44-141,711.36-62,416.16

Finding the Fourth Proportional to 102,689.44, 141,711.36 and 62,416.16

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Solution

The fourth proportional to 102,689.44, 141,711.36 and 62,416.16 is: 86,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,689.44 : 141,711.36 = 62,416.16 : x
  2. Step 2: Convert to fraction form
    102,689.44/141,711.36 = 62,416.16/x
  3. Step 3: Cross multiply
    102,689.44x = 141,711.36 × 62,416.16
  4. Step 4: Simplify right side
    102,689.44x = 8,845,078,919.58
  5. Step 5: Solve for x
    x = 8,845,078,919.58/102,689.44
  6. Step 6: Final answer
    x = 86,134.26

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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.