Home / 187,560.28-281,340.88-47,318.91

Finding the Fourth Proportional to 187,560.28, 281,340.88 and 47,318.91

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Solution

The fourth proportional to 187,560.28, 281,340.88 and 47,318.91 is: 70,978.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,560.28 : 281,340.88 = 47,318.91 : x
  2. Step 2: Convert to fraction form
    187,560.28/281,340.88 = 47,318.91/x
  3. Step 3: Cross multiply
    187,560.28x = 281,340.88 × 47,318.91
  4. Step 4: Simplify right side
    187,560.28x = 13,312,742,606.72
  5. Step 5: Solve for x
    x = 13,312,742,606.72/187,560.28
  6. Step 6: Final answer
    x = 70,978.47

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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.