Home / 99,005.45-148,225.14-92,720.72

Finding the Fourth Proportional to 99,005.45, 148,225.14 and 92,720.72

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Solution

The fourth proportional to 99,005.45, 148,225.14 and 92,720.72 is: 138,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,005.45 : 148,225.14 = 92,720.72 : x
  2. Step 2: Convert to fraction form
    99,005.45/148,225.14 = 92,720.72/x
  3. Step 3: Cross multiply
    99,005.45x = 148,225.14 × 92,720.72
  4. Step 4: Simplify right side
    99,005.45x = 13,743,542,073.46
  5. Step 5: Solve for x
    x = 13,743,542,073.46/99,005.45
  6. Step 6: Final answer
    x = 138,816.02

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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.