Home / 99,280.44-148,860.72-40,047.12

Finding the Fourth Proportional to 99,280.44, 148,860.72 and 40,047.12

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Solution

The fourth proportional to 99,280.44, 148,860.72 and 40,047.12 is: 60,046.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,280.44 : 148,860.72 = 40,047.12 : x
  2. Step 2: Convert to fraction form
    99,280.44/148,860.72 = 40,047.12/x
  3. Step 3: Cross multiply
    99,280.44x = 148,860.72 × 40,047.12
  4. Step 4: Simplify right side
    99,280.44x = 5,961,443,117.13
  5. Step 5: Solve for x
    x = 5,961,443,117.13/99,280.44
  6. Step 6: Final answer
    x = 60,046.50

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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.