Home / 102,446.24-141,377.55-56,511.15

Finding the Fourth Proportional to 102,446.24, 141,377.55 and 56,511.15

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Solution

The fourth proportional to 102,446.24, 141,377.55 and 56,511.15 is: 77,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,446.24 : 141,377.55 = 56,511.15 : x
  2. Step 2: Convert to fraction form
    102,446.24/141,377.55 = 56,511.15/x
  3. Step 3: Cross multiply
    102,446.24x = 141,377.55 × 56,511.15
  4. Step 4: Simplify right side
    102,446.24x = 7,989,407,722.77
  5. Step 5: Solve for x
    x = 7,989,407,722.77/102,446.24
  6. Step 6: Final answer
    x = 77,986.35

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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.