Home / 126,864.93-175,073.61-70,276.31

Finding the Fourth Proportional to 126,864.93, 175,073.61 and 70,276.31

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Solution

The fourth proportional to 126,864.93, 175,073.61 and 70,276.31 is: 96,981.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,864.93 : 175,073.61 = 70,276.31 : x
  2. Step 2: Convert to fraction form
    126,864.93/175,073.61 = 70,276.31/x
  3. Step 3: Cross multiply
    126,864.93x = 175,073.61 × 70,276.31
  4. Step 4: Simplify right side
    126,864.93x = 12,303,526,839.74
  5. Step 5: Solve for x
    x = 12,303,526,839.74/126,864.93
  6. Step 6: Final answer
    x = 96,981.31

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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.