Home / 102,192.26-141,024.29-56,869.47

Finding the Fourth Proportional to 102,192.26, 141,024.29 and 56,869.47

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Solution

The fourth proportional to 102,192.26, 141,024.29 and 56,869.47 is: 78,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,192.26 : 141,024.29 = 56,869.47 : x
  2. Step 2: Convert to fraction form
    102,192.26/141,024.29 = 56,869.47/x
  3. Step 3: Cross multiply
    102,192.26x = 141,024.29 × 56,869.47
  4. Step 4: Simplify right side
    102,192.26x = 8,019,976,345.08
  5. Step 5: Solve for x
    x = 8,019,976,345.08/102,192.26
  6. Step 6: Final answer
    x = 78,479.30

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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.