Home / 176,319.12-243,251.56-100,827.28

Finding the Fourth Proportional to 176,319.12, 243,251.56 and 100,827.28

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Solution

The fourth proportional to 176,319.12, 243,251.56 and 100,827.28 is: 139,102.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,319.12 : 243,251.56 = 100,827.28 : x
  2. Step 2: Convert to fraction form
    176,319.12/243,251.56 = 100,827.28/x
  3. Step 3: Cross multiply
    176,319.12x = 243,251.56 × 100,827.28
  4. Step 4: Simplify right side
    176,319.12x = 24,526,393,150.56
  5. Step 5: Solve for x
    x = 24,526,393,150.56/176,319.12
  6. Step 6: Final answer
    x = 139,102.29

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1.5x scale

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.