Home / 98,101.20-135,373-53,388.24

Finding the Fourth Proportional to 98,101.20, 135,373 and 53,388.24

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Solution

The fourth proportional to 98,101.20, 135,373 and 53,388.24 is: 73,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,101.20 : 135,373 = 53,388.24 : x
  2. Step 2: Convert to fraction form
    98,101.20/135,373 = 53,388.24/x
  3. Step 3: Cross multiply
    98,101.20x = 135,373 × 53,388.24
  4. Step 4: Simplify right side
    98,101.20x = 7,227,326,213.52
  5. Step 5: Solve for x
    x = 7,227,326,213.52/98,101.20
  6. Step 6: Final answer
    x = 73,672.15

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1.5x scale

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.