Home / 99,448.52-149,177.70-28,381.63

Finding the Fourth Proportional to 99,448.52, 149,177.70 and 28,381.63

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Solution

The fourth proportional to 99,448.52, 149,177.70 and 28,381.63 is: 42,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,448.52 : 149,177.70 = 28,381.63 : x
  2. Step 2: Convert to fraction form
    99,448.52/149,177.70 = 28,381.63/x
  3. Step 3: Cross multiply
    99,448.52x = 149,177.70 × 28,381.63
  4. Step 4: Simplify right side
    99,448.52x = 4,233,906,143.74
  5. Step 5: Solve for x
    x = 4,233,906,143.74/99,448.52
  6. Step 6: Final answer
    x = 42,573.85

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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.