Home / 126,734.76-174,685.14-89,953.65

Finding the Fourth Proportional to 126,734.76, 174,685.14 and 89,953.65

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Solution

The fourth proportional to 126,734.76, 174,685.14 and 89,953.65 is: 123,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,734.76 : 174,685.14 = 89,953.65 : x
  2. Step 2: Convert to fraction form
    126,734.76/174,685.14 = 89,953.65/x
  3. Step 3: Cross multiply
    126,734.76x = 174,685.14 × 89,953.65
  4. Step 4: Simplify right side
    126,734.76x = 15,713,565,943.76
  5. Step 5: Solve for x
    x = 15,713,565,943.76/126,734.76
  6. Step 6: Final answer
    x = 123,987.81

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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.