Home / 102,402.21-141,318.05-59,956.77

Finding the Fourth Proportional to 102,402.21, 141,318.05 and 59,956.77

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Solution

The fourth proportional to 102,402.21, 141,318.05 and 59,956.77 is: 82,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,402.21 : 141,318.05 = 59,956.77 : x
  2. Step 2: Convert to fraction form
    102,402.21/141,318.05 = 59,956.77/x
  3. Step 3: Cross multiply
    102,402.21x = 141,318.05 × 59,956.77
  4. Step 4: Simplify right side
    102,402.21x = 8,472,973,520.91
  5. Step 5: Solve for x
    x = 8,472,973,520.91/102,402.21
  6. Step 6: Final answer
    x = 82,742.10

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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.