Home / 187,882.80-259,260.12-112,429.68

Finding the Fourth Proportional to 187,882.80, 259,260.12 and 112,429.68

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Solution

The fourth proportional to 187,882.80, 259,260.12 and 112,429.68 is: 155,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,882.80 : 259,260.12 = 112,429.68 : x
  2. Step 2: Convert to fraction form
    187,882.80/259,260.12 = 112,429.68/x
  3. Step 3: Cross multiply
    187,882.80x = 259,260.12 × 112,429.68
  4. Step 4: Simplify right side
    187,882.80x = 29,148,532,328.36
  5. Step 5: Solve for x
    x = 29,148,532,328.36/187,882.80
  6. Step 6: Final answer
    x = 155,142.10

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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.