Home / 102,697.61-141,717.65-57,366.59

Finding the Fourth Proportional to 102,697.61, 141,717.65 and 57,366.59

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Solution

The fourth proportional to 102,697.61, 141,717.65 and 57,366.59 is: 79,163.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,697.61 : 141,717.65 = 57,366.59 : x
  2. Step 2: Convert to fraction form
    102,697.61/141,717.65 = 57,366.59/x
  3. Step 3: Cross multiply
    102,697.61x = 141,717.65 × 57,366.59
  4. Step 4: Simplify right side
    102,697.61x = 8,129,857,327.89
  5. Step 5: Solve for x
    x = 8,129,857,327.89/102,697.61
  6. Step 6: Final answer
    x = 79,163.07

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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.