Home / 100,877.53-151,296.85-30,763.93

Finding the Fourth Proportional to 100,877.53, 151,296.85 and 30,763.93

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Solution

The fourth proportional to 100,877.53, 151,296.85 and 30,763.93 is: 46,139.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,877.53 : 151,296.85 = 30,763.93 : x
  2. Step 2: Convert to fraction form
    100,877.53/151,296.85 = 30,763.93/x
  3. Step 3: Cross multiply
    100,877.53x = 151,296.85 × 30,763.93
  4. Step 4: Simplify right side
    100,877.53x = 4,654,485,702.62
  5. Step 5: Solve for x
    x = 4,654,485,702.62/100,877.53
  6. Step 6: Final answer
    x = 46,139.96

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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.