Home / 127,018.74-175,288.28-69,654.65

Finding the Fourth Proportional to 127,018.74, 175,288.28 and 69,654.65

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Solution

The fourth proportional to 127,018.74, 175,288.28 and 69,654.65 is: 96,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,018.74 : 175,288.28 = 69,654.65 : x
  2. Step 2: Convert to fraction form
    127,018.74/175,288.28 = 69,654.65/x
  3. Step 3: Cross multiply
    127,018.74x = 175,288.28 × 69,654.65
  4. Step 4: Simplify right side
    127,018.74x = 12,209,642,567.79
  5. Step 5: Solve for x
    x = 12,209,642,567.79/127,018.74
  6. Step 6: Final answer
    x = 96,124.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.