Home / 105,489.19-158,177.04-42,277.60

Finding the Fourth Proportional to 105,489.19, 158,177.04 and 42,277.60

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Solution

The fourth proportional to 105,489.19, 158,177.04 and 42,277.60 is: 63,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,489.19 : 158,177.04 = 42,277.60 : x
  2. Step 2: Convert to fraction form
    105,489.19/158,177.04 = 42,277.60/x
  3. Step 3: Cross multiply
    105,489.19x = 158,177.04 × 42,277.60
  4. Step 4: Simplify right side
    105,489.19x = 6,687,345,626.30
  5. Step 5: Solve for x
    x = 6,687,345,626.30/105,489.19
  6. Step 6: Final answer
    x = 63,393.66

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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.