Home / 143,660.33-215,490.35-38,476.43

Finding the Fourth Proportional to 143,660.33, 215,490.35 and 38,476.43

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Solution

The fourth proportional to 143,660.33, 215,490.35 and 38,476.43 is: 57,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,660.33 : 215,490.35 = 38,476.43 : x
  2. Step 2: Convert to fraction form
    143,660.33/215,490.35 = 38,476.43/x
  3. Step 3: Cross multiply
    143,660.33x = 215,490.35 × 38,476.43
  4. Step 4: Simplify right side
    143,660.33x = 8,291,298,290.00
  5. Step 5: Solve for x
    x = 8,291,298,290.00/143,660.33
  6. Step 6: Final answer
    x = 57,714.60

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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.