Home / 151,529.24-209,200.05-134,715.80

Finding the Fourth Proportional to 151,529.24, 209,200.05 and 134,715.80

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Solution

The fourth proportional to 151,529.24, 209,200.05 and 134,715.80 is: 185,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,529.24 : 209,200.05 = 134,715.80 : x
  2. Step 2: Convert to fraction form
    151,529.24/209,200.05 = 134,715.80/x
  3. Step 3: Cross multiply
    151,529.24x = 209,200.05 × 134,715.80
  4. Step 4: Simplify right side
    151,529.24x = 28,182,551,049.79
  5. Step 5: Solve for x
    x = 28,182,551,049.79/151,529.24
  6. Step 6: Final answer
    x = 185,987.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.