Home / 99,827.20-149,740.80-92,610.10

Finding the Fourth Proportional to 99,827.20, 149,740.80 and 92,610.10

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Solution

The fourth proportional to 99,827.20, 149,740.80 and 92,610.10 is: 138,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,827.20 : 149,740.80 = 92,610.10 : x
  2. Step 2: Convert to fraction form
    99,827.20/149,740.80 = 92,610.10/x
  3. Step 3: Cross multiply
    99,827.20x = 149,740.80 × 92,610.10
  4. Step 4: Simplify right side
    99,827.20x = 13,867,510,462.08
  5. Step 5: Solve for x
    x = 13,867,510,462.08/99,827.20
  6. Step 6: Final answer
    x = 138,915.15

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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.