Home / 149,117.76-223,381.92-89,778.24

Finding the Fourth Proportional to 149,117.76, 223,381.92 and 89,778.24

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Solution

The fourth proportional to 149,117.76, 223,381.92 and 89,778.24 is: 134,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,117.76 : 223,381.92 = 89,778.24 : x
  2. Step 2: Convert to fraction form
    149,117.76/223,381.92 = 89,778.24/x
  3. Step 3: Cross multiply
    149,117.76x = 223,381.92 × 89,778.24
  4. Step 4: Simplify right side
    149,117.76x = 20,054,835,625.42
  5. Step 5: Solve for x
    x = 20,054,835,625.42/149,117.76
  6. Step 6: Final answer
    x = 134,489.92

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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.