Home / 100,854.39-151,295.45-34,276.65

Finding the Fourth Proportional to 100,854.39, 151,295.45 and 34,276.65

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Solution

The fourth proportional to 100,854.39, 151,295.45 and 34,276.65 is: 51,419.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,854.39 : 151,295.45 = 34,276.65 : x
  2. Step 2: Convert to fraction form
    100,854.39/151,295.45 = 34,276.65/x
  3. Step 3: Cross multiply
    100,854.39x = 151,295.45 × 34,276.65
  4. Step 4: Simplify right side
    100,854.39x = 5,185,901,186.24
  5. Step 5: Solve for x
    x = 5,185,901,186.24/100,854.39
  6. Step 6: Final answer
    x = 51,419.69

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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.