Home / 176,215.12-243,177-95,642.64

Finding the Fourth Proportional to 176,215.12, 243,177 and 95,642.64

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Solution

The fourth proportional to 176,215.12, 243,177 and 95,642.64 is: 131,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,215.12 : 243,177 = 95,642.64 : x
  2. Step 2: Convert to fraction form
    176,215.12/243,177 = 95,642.64/x
  3. Step 3: Cross multiply
    176,215.12x = 243,177 × 95,642.64
  4. Step 4: Simplify right side
    176,215.12x = 23,258,090,267.28
  5. Step 5: Solve for x
    x = 23,258,090,267.28/176,215.12
  6. Step 6: Final answer
    x = 131,986.92

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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.