Home / 143,521.92-215,085.60-73,253.52

Finding the Fourth Proportional to 143,521.92, 215,085.60 and 73,253.52

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Solution

The fourth proportional to 143,521.92, 215,085.60 and 73,253.52 is: 109,779.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,521.92 : 215,085.60 = 73,253.52 : x
  2. Step 2: Convert to fraction form
    143,521.92/215,085.60 = 73,253.52/x
  3. Step 3: Cross multiply
    143,521.92x = 215,085.60 × 73,253.52
  4. Step 4: Simplify right side
    143,521.92x = 15,755,777,301.31
  5. Step 5: Solve for x
    x = 15,755,777,301.31/143,521.92
  6. Step 6: Final answer
    x = 109,779.59

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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.