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Finding the Fourth Proportional to 102,351.87, 141,245.87 and 59,339.70

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Solution

The fourth proportional to 102,351.87, 141,245.87 and 59,339.70 is: 81,888.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,351.87 : 141,245.87 = 59,339.70 : x
  2. Step 2: Convert to fraction form
    102,351.87/141,245.87 = 59,339.70/x
  3. Step 3: Cross multiply
    102,351.87x = 141,245.87 × 59,339.70
  4. Step 4: Simplify right side
    102,351.87x = 8,381,487,255.34
  5. Step 5: Solve for x
    x = 8,381,487,255.34/102,351.87
  6. Step 6: Final answer
    x = 81,888.95

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1.5x scale

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.