Home / 140,305.16-193,612.50-76,630.04

Finding the Fourth Proportional to 140,305.16, 193,612.50 and 76,630.04

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Solution

The fourth proportional to 140,305.16, 193,612.50 and 76,630.04 is: 105,744.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,305.16 : 193,612.50 = 76,630.04 : x
  2. Step 2: Convert to fraction form
    140,305.16/193,612.50 = 76,630.04/x
  3. Step 3: Cross multiply
    140,305.16x = 193,612.50 × 76,630.04
  4. Step 4: Simplify right side
    140,305.16x = 14,836,533,619.50
  5. Step 5: Solve for x
    x = 14,836,533,619.50/140,305.16
  6. Step 6: Final answer
    x = 105,744.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.