Home / 176,647.72-243,679.22-122,839.32

Finding the Fourth Proportional to 176,647.72, 243,679.22 and 122,839.32

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Solution

The fourth proportional to 176,647.72, 243,679.22 and 122,839.32 is: 169,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,647.72 : 243,679.22 = 122,839.32 : x
  2. Step 2: Convert to fraction form
    176,647.72/243,679.22 = 122,839.32/x
  3. Step 3: Cross multiply
    176,647.72x = 243,679.22 × 122,839.32
  4. Step 4: Simplify right side
    176,647.72x = 29,933,389,682.93
  5. Step 5: Solve for x
    x = 29,933,389,682.93/176,647.72
  6. Step 6: Final answer
    x = 169,452.45

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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.