Home / 127,345.37-175,726.01-69,981.66

Finding the Fourth Proportional to 127,345.37, 175,726.01 and 69,981.66

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Solution

The fourth proportional to 127,345.37, 175,726.01 and 69,981.66 is: 96,568.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,345.37 : 175,726.01 = 69,981.66 : x
  2. Step 2: Convert to fraction form
    127,345.37/175,726.01 = 69,981.66/x
  3. Step 3: Cross multiply
    127,345.37x = 175,726.01 × 69,981.66
  4. Step 4: Simplify right side
    127,345.37x = 12,297,598,059.93
  5. Step 5: Solve for x
    x = 12,297,598,059.93/127,345.37
  6. Step 6: Final answer
    x = 96,568.87

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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.