Home / 143,726.39-215,631.20-59,471

Finding the Fourth Proportional to 143,726.39, 215,631.20 and 59,471

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Solution

The fourth proportional to 143,726.39, 215,631.20 and 59,471 is: 89,223.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,726.39 : 215,631.20 = 59,471 : x
  2. Step 2: Convert to fraction form
    143,726.39/215,631.20 = 59,471/x
  3. Step 3: Cross multiply
    143,726.39x = 215,631.20 × 59,471
  4. Step 4: Simplify right side
    143,726.39x = 12,823,803,095.20
  5. Step 5: Solve for x
    x = 12,823,803,095.20/143,726.39
  6. Step 6: Final answer
    x = 89,223.72

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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.