Home / 99,179.32-148,794.16-45,909.70

Finding the Fourth Proportional to 99,179.32, 148,794.16 and 45,909.70

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Solution

The fourth proportional to 99,179.32, 148,794.16 and 45,909.70 is: 68,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,179.32 : 148,794.16 = 45,909.70 : x
  2. Step 2: Convert to fraction form
    99,179.32/148,794.16 = 45,909.70/x
  3. Step 3: Cross multiply
    99,179.32x = 148,794.16 × 45,909.70
  4. Step 4: Simplify right side
    99,179.32x = 6,831,095,247.35
  5. Step 5: Solve for x
    x = 6,831,095,247.35/99,179.32
  6. Step 6: Final answer
    x = 68,876.21

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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.