Home / 124,243.42-171,251.15-87,897.91

Finding the Fourth Proportional to 124,243.42, 171,251.15 and 87,897.91

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Solution

The fourth proportional to 124,243.42, 171,251.15 and 87,897.91 is: 121,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,243.42 : 171,251.15 = 87,897.91 : x
  2. Step 2: Convert to fraction form
    124,243.42/171,251.15 = 87,897.91/x
  3. Step 3: Cross multiply
    124,243.42x = 171,251.15 × 87,897.91
  4. Step 4: Simplify right side
    124,243.42x = 15,052,618,170.10
  5. Step 5: Solve for x
    x = 15,052,618,170.10/124,243.42
  6. Step 6: Final answer
    x = 121,154.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.