Home / 145,832.52-218,827.20-140,524.55

Finding the Fourth Proportional to 145,832.52, 218,827.20 and 140,524.55

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Solution

The fourth proportional to 145,832.52, 218,827.20 and 140,524.55 is: 210,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,832.52 : 218,827.20 = 140,524.55 : x
  2. Step 2: Convert to fraction form
    145,832.52/218,827.20 = 140,524.55/x
  3. Step 3: Cross multiply
    145,832.52x = 218,827.20 × 140,524.55
  4. Step 4: Simplify right side
    145,832.52x = 30,750,592,713.62
  5. Step 5: Solve for x
    x = 30,750,592,713.62/145,832.52
  6. Step 6: Final answer
    x = 210,862.38

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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.