Home / 102,302.28-141,180.98-56,363.81

Finding the Fourth Proportional to 102,302.28, 141,180.98 and 56,363.81

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Solution

The fourth proportional to 102,302.28, 141,180.98 and 56,363.81 is: 77,784.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,302.28 : 141,180.98 = 56,363.81 : x
  2. Step 2: Convert to fraction form
    102,302.28/141,180.98 = 56,363.81/x
  3. Step 3: Cross multiply
    102,302.28x = 141,180.98 × 56,363.81
  4. Step 4: Simplify right side
    102,302.28x = 7,957,496,944.61
  5. Step 5: Solve for x
    x = 7,957,496,944.61/102,302.28
  6. Step 6: Final answer
    x = 77,784.16

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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.