Home / 102,318.28-141,194.50-56,995.82

Finding the Fourth Proportional to 102,318.28, 141,194.50 and 56,995.82

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Solution

The fourth proportional to 102,318.28, 141,194.50 and 56,995.82 is: 78,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,318.28 : 141,194.50 = 56,995.82 : x
  2. Step 2: Convert to fraction form
    102,318.28/141,194.50 = 56,995.82/x
  3. Step 3: Cross multiply
    102,318.28x = 141,194.50 × 56,995.82
  4. Step 4: Simplify right side
    102,318.28x = 8,047,495,458.53
  5. Step 5: Solve for x
    x = 8,047,495,458.53/102,318.28
  6. Step 6: Final answer
    x = 78,651.59

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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.