Home / 187,257.56-280,886.88-54,148.64

Finding the Fourth Proportional to 187,257.56, 280,886.88 and 54,148.64

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Solution

The fourth proportional to 187,257.56, 280,886.88 and 54,148.64 is: 81,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,257.56 : 280,886.88 = 54,148.64 : x
  2. Step 2: Convert to fraction form
    187,257.56/280,886.88 = 54,148.64/x
  3. Step 3: Cross multiply
    187,257.56x = 280,886.88 × 54,148.64
  4. Step 4: Simplify right side
    187,257.56x = 15,209,642,545.84
  5. Step 5: Solve for x
    x = 15,209,642,545.84/187,257.56
  6. Step 6: Final answer
    x = 81,223.12

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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.