Home / 98,134.49-147,221.85-38,161.55

Finding the Fourth Proportional to 98,134.49, 147,221.85 and 38,161.55

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Solution

The fourth proportional to 98,134.49, 147,221.85 and 38,161.55 is: 57,250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,134.49 : 147,221.85 = 38,161.55 : x
  2. Step 2: Convert to fraction form
    98,134.49/147,221.85 = 38,161.55/x
  3. Step 3: Cross multiply
    98,134.49x = 147,221.85 × 38,161.55
  4. Step 4: Simplify right side
    98,134.49x = 5,618,213,989.87
  5. Step 5: Solve for x
    x = 5,618,213,989.87/98,134.49
  6. Step 6: Final answer
    x = 57,250.15

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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.