Home / 102,546.61-141,514.35-56,606.28

Finding the Fourth Proportional to 102,546.61, 141,514.35 and 56,606.28

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Solution

The fourth proportional to 102,546.61, 141,514.35 and 56,606.28 is: 78,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,546.61 : 141,514.35 = 56,606.28 : x
  2. Step 2: Convert to fraction form
    102,546.61/141,514.35 = 56,606.28/x
  3. Step 3: Cross multiply
    102,546.61x = 141,514.35 × 56,606.28
  4. Step 4: Simplify right side
    102,546.61x = 8,010,600,920.12
  5. Step 5: Solve for x
    x = 8,010,600,920.12/102,546.61
  6. Step 6: Final answer
    x = 78,116.68

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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.