Home / 179,549.20-268,999.80-85,848.40

Finding the Fourth Proportional to 179,549.20, 268,999.80 and 85,848.40

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Solution

The fourth proportional to 179,549.20, 268,999.80 and 85,848.40 is: 128,617.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,549.20 : 268,999.80 = 85,848.40 : x
  2. Step 2: Convert to fraction form
    179,549.20/268,999.80 = 85,848.40/x
  3. Step 3: Cross multiply
    179,549.20x = 268,999.80 × 85,848.40
  4. Step 4: Simplify right side
    179,549.20x = 23,093,202,430.32
  5. Step 5: Solve for x
    x = 23,093,202,430.32/179,549.20
  6. Step 6: Final answer
    x = 128,617.68

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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.