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Finding the Fourth Proportional to 172,657.96, 238,250.82 and 127,360.42

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Solution

The fourth proportional to 172,657.96, 238,250.82 and 127,360.42 is: 175,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,657.96 : 238,250.82 = 127,360.42 : x
  2. Step 2: Convert to fraction form
    172,657.96/238,250.82 = 127,360.42/x
  3. Step 3: Cross multiply
    172,657.96x = 238,250.82 × 127,360.42
  4. Step 4: Simplify right side
    172,657.96x = 30,343,724,500.54
  5. Step 5: Solve for x
    x = 30,343,724,500.54/172,657.96
  6. Step 6: Final answer
    x = 175,744.72

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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.