Home / 102,423.32-141,352.60-56,491.96

Finding the Fourth Proportional to 102,423.32, 141,352.60 and 56,491.96

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Solution

The fourth proportional to 102,423.32, 141,352.60 and 56,491.96 is: 77,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,423.32 : 141,352.60 = 56,491.96 : x
  2. Step 2: Convert to fraction form
    102,423.32/141,352.60 = 56,491.96/x
  3. Step 3: Cross multiply
    102,423.32x = 141,352.60 × 56,491.96
  4. Step 4: Simplify right side
    102,423.32x = 7,985,285,425.10
  5. Step 5: Solve for x
    x = 7,985,285,425.10/102,423.32
  6. Step 6: Final answer
    x = 77,963.55

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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.