Home / 177,740.10-266,512.95-72,440.10

Finding the Fourth Proportional to 177,740.10, 266,512.95 and 72,440.10

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Solution

The fourth proportional to 177,740.10, 266,512.95 and 72,440.10 is: 108,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,740.10 : 266,512.95 = 72,440.10 : x
  2. Step 2: Convert to fraction form
    177,740.10/266,512.95 = 72,440.10/x
  3. Step 3: Cross multiply
    177,740.10x = 266,512.95 × 72,440.10
  4. Step 4: Simplify right side
    177,740.10x = 19,306,224,749.30
  5. Step 5: Solve for x
    x = 19,306,224,749.30/177,740.10
  6. Step 6: Final answer
    x = 108,620.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.