Home / 113,310.08-169,965-53,965.76

Finding the Fourth Proportional to 113,310.08, 169,965 and 53,965.76

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Solution

The fourth proportional to 113,310.08, 169,965 and 53,965.76 is: 80,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,310.08 : 169,965 = 53,965.76 : x
  2. Step 2: Convert to fraction form
    113,310.08/169,965 = 53,965.76/x
  3. Step 3: Cross multiply
    113,310.08x = 169,965 × 53,965.76
  4. Step 4: Simplify right side
    113,310.08x = 9,172,290,398.40
  5. Step 5: Solve for x
    x = 9,172,290,398.40/113,310.08
  6. Step 6: Final answer
    x = 80,948.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.