Home / 102,259.56-141,124.98-61,977.15

Finding the Fourth Proportional to 102,259.56, 141,124.98 and 61,977.15

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Solution

The fourth proportional to 102,259.56, 141,124.98 and 61,977.15 is: 85,532.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,259.56 : 141,124.98 = 61,977.15 : x
  2. Step 2: Convert to fraction form
    102,259.56/141,124.98 = 61,977.15/x
  3. Step 3: Cross multiply
    102,259.56x = 141,124.98 × 61,977.15
  4. Step 4: Simplify right side
    102,259.56x = 8,746,524,286.62
  5. Step 5: Solve for x
    x = 8,746,524,286.62/102,259.56
  6. Step 6: Final answer
    x = 85,532.58

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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.