Home / 143,601.50-215,402.26-38,417.74

Finding the Fourth Proportional to 143,601.50, 215,402.26 and 38,417.74

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Solution

The fourth proportional to 143,601.50, 215,402.26 and 38,417.74 is: 57,626.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,601.50 : 215,402.26 = 38,417.74 : x
  2. Step 2: Convert to fraction form
    143,601.50/215,402.26 = 38,417.74/x
  3. Step 3: Cross multiply
    143,601.50x = 215,402.26 × 38,417.74
  4. Step 4: Simplify right side
    143,601.50x = 8,275,268,020.09
  5. Step 5: Solve for x
    x = 8,275,268,020.09/143,601.50
  6. Step 6: Final answer
    x = 57,626.61

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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.