Home / 102,133.29-140,941.92-56,810.31

Finding the Fourth Proportional to 102,133.29, 140,941.92 and 56,810.31

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Solution

The fourth proportional to 102,133.29, 140,941.92 and 56,810.31 is: 78,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,133.29 : 140,941.92 = 56,810.31 : x
  2. Step 2: Convert to fraction form
    102,133.29/140,941.92 = 56,810.31/x
  3. Step 3: Cross multiply
    102,133.29x = 140,941.92 × 56,810.31
  4. Step 4: Simplify right side
    102,133.29x = 8,006,954,167.20
  5. Step 5: Solve for x
    x = 8,006,954,167.20/102,133.29
  6. Step 6: Final answer
    x = 78,397.10

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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.