Home / 99,077.28-148,501.44-45,657.57

Finding the Fourth Proportional to 99,077.28, 148,501.44 and 45,657.57

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Solution

The fourth proportional to 99,077.28, 148,501.44 and 45,657.57 is: 68,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,077.28 : 148,501.44 = 45,657.57 : x
  2. Step 2: Convert to fraction form
    99,077.28/148,501.44 = 45,657.57/x
  3. Step 3: Cross multiply
    99,077.28x = 148,501.44 × 45,657.57
  4. Step 4: Simplify right side
    99,077.28x = 6,780,214,891.90
  5. Step 5: Solve for x
    x = 6,780,214,891.90/99,077.28
  6. Step 6: Final answer
    x = 68,433.60

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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.