Home / 187,680.02-281,520.03-47,438.65

Finding the Fourth Proportional to 187,680.02, 281,520.03 and 47,438.65

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Solution

The fourth proportional to 187,680.02, 281,520.03 and 47,438.65 is: 71,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,680.02 : 281,520.03 = 47,438.65 : x
  2. Step 2: Convert to fraction form
    187,680.02/281,520.03 = 47,438.65/x
  3. Step 3: Cross multiply
    187,680.02x = 281,520.03 × 47,438.65
  4. Step 4: Simplify right side
    187,680.02x = 13,354,929,645.25
  5. Step 5: Solve for x
    x = 13,354,929,645.25/187,680.02
  6. Step 6: Final answer
    x = 71,157.97

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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.