Home / 99,538.30-149,307.45-98,847.10

Finding the Fourth Proportional to 99,538.30, 149,307.45 and 98,847.10

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Solution

The fourth proportional to 99,538.30, 149,307.45 and 98,847.10 is: 148,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,538.30 : 149,307.45 = 98,847.10 : x
  2. Step 2: Convert to fraction form
    99,538.30/149,307.45 = 98,847.10/x
  3. Step 3: Cross multiply
    99,538.30x = 149,307.45 × 98,847.10
  4. Step 4: Simplify right side
    99,538.30x = 14,758,608,440.90
  5. Step 5: Solve for x
    x = 14,758,608,440.90/99,538.30
  6. Step 6: Final answer
    x = 148,270.65

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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.