Home / 126,867.81-175,088.25-70,284.45

Finding the Fourth Proportional to 126,867.81, 175,088.25 and 70,284.45

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Solution

The fourth proportional to 126,867.81, 175,088.25 and 70,284.45 is: 96,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,867.81 : 175,088.25 = 70,284.45 : x
  2. Step 2: Convert to fraction form
    126,867.81/175,088.25 = 70,284.45/x
  3. Step 3: Cross multiply
    126,867.81x = 175,088.25 × 70,284.45
  4. Step 4: Simplify right side
    126,867.81x = 12,305,981,352.71
  5. Step 5: Solve for x
    x = 12,305,981,352.71/126,867.81
  6. Step 6: Final answer
    x = 96,998.45

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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.