Home / 187,382.52-281,074.14-47,140.20

Finding the Fourth Proportional to 187,382.52, 281,074.14 and 47,140.20

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Solution

The fourth proportional to 187,382.52, 281,074.14 and 47,140.20 is: 70,710.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,382.52 : 281,074.14 = 47,140.20 : x
  2. Step 2: Convert to fraction form
    187,382.52/281,074.14 = 47,140.20/x
  3. Step 3: Cross multiply
    187,382.52x = 281,074.14 × 47,140.20
  4. Step 4: Simplify right side
    187,382.52x = 13,249,891,174.43
  5. Step 5: Solve for x
    x = 13,249,891,174.43/187,382.52
  6. Step 6: Final answer
    x = 70,710.39

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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.