Home / 100,167.16-138,190.17-59,857.92

Finding the Fourth Proportional to 100,167.16, 138,190.17 and 59,857.92

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Solution

The fourth proportional to 100,167.16, 138,190.17 and 59,857.92 is: 82,579.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,167.16 : 138,190.17 = 59,857.92 : x
  2. Step 2: Convert to fraction form
    100,167.16/138,190.17 = 59,857.92/x
  3. Step 3: Cross multiply
    100,167.16x = 138,190.17 × 59,857.92
  4. Step 4: Simplify right side
    100,167.16x = 8,271,776,140.65
  5. Step 5: Solve for x
    x = 8,271,776,140.65/100,167.16
  6. Step 6: Final answer
    x = 82,579.72

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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.