Home / 99,538.20-149,307.30-73,294.20

Finding the Fourth Proportional to 99,538.20, 149,307.30 and 73,294.20

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Solution

The fourth proportional to 99,538.20, 149,307.30 and 73,294.20 is: 109,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,538.20 : 149,307.30 = 73,294.20 : x
  2. Step 2: Convert to fraction form
    99,538.20/149,307.30 = 73,294.20/x
  3. Step 3: Cross multiply
    99,538.20x = 149,307.30 × 73,294.20
  4. Step 4: Simplify right side
    99,538.20x = 10,943,359,107.66
  5. Step 5: Solve for x
    x = 10,943,359,107.66/99,538.20
  6. Step 6: Final answer
    x = 109,941.30

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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.