Home / 102,175.74-141,002.53-56,856.65

Finding the Fourth Proportional to 102,175.74, 141,002.53 and 56,856.65

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Solution

The fourth proportional to 102,175.74, 141,002.53 and 56,856.65 is: 78,462.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,175.74 : 141,002.53 = 56,856.65 : x
  2. Step 2: Convert to fraction form
    102,175.74/141,002.53 = 56,856.65/x
  3. Step 3: Cross multiply
    102,175.74x = 141,002.53 × 56,856.65
  4. Step 4: Simplify right side
    102,175.74x = 8,016,930,508.03
  5. Step 5: Solve for x
    x = 8,016,930,508.03/102,175.74
  6. Step 6: Final answer
    x = 78,462.17

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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.