Home / 99,531.25-149,296.88-25,659.25

Finding the Fourth Proportional to 99,531.25, 149,296.88 and 25,659.25

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Solution

The fourth proportional to 99,531.25, 149,296.88 and 25,659.25 is: 38,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,531.25 : 149,296.88 = 25,659.25 : x
  2. Step 2: Convert to fraction form
    99,531.25/149,296.88 = 25,659.25/x
  3. Step 3: Cross multiply
    99,531.25x = 149,296.88 × 25,659.25
  4. Step 4: Simplify right side
    99,531.25x = 3,830,845,968.14
  5. Step 5: Solve for x
    x = 3,830,845,968.14/99,531.25
  6. Step 6: Final answer
    x = 38,488.88

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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.