Home / 124,018.38-171,145.13-67,429.62

Finding the Fourth Proportional to 124,018.38, 171,145.13 and 67,429.62

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Solution

The fourth proportional to 124,018.38, 171,145.13 and 67,429.62 is: 93,052.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,018.38 : 171,145.13 = 67,429.62 : x
  2. Step 2: Convert to fraction form
    124,018.38/171,145.13 = 67,429.62/x
  3. Step 3: Cross multiply
    124,018.38x = 171,145.13 × 67,429.62
  4. Step 4: Simplify right side
    124,018.38x = 11,540,251,080.75
  5. Step 5: Solve for x
    x = 11,540,251,080.75/124,018.38
  6. Step 6: Final answer
    x = 93,052.75

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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.