Home / 177,877.20-266,729.40-98,907.60

Finding the Fourth Proportional to 177,877.20, 266,729.40 and 98,907.60

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Solution

The fourth proportional to 177,877.20, 266,729.40 and 98,907.60 is: 148,313.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,877.20 : 266,729.40 = 98,907.60 : x
  2. Step 2: Convert to fraction form
    177,877.20/266,729.40 = 98,907.60/x
  3. Step 3: Cross multiply
    177,877.20x = 266,729.40 × 98,907.60
  4. Step 4: Simplify right side
    177,877.20x = 26,381,564,803.44
  5. Step 5: Solve for x
    x = 26,381,564,803.44/177,877.20
  6. Step 6: Final answer
    x = 148,313.36

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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.