Home / 126,696.34-174,910.35-86,470.12

Finding the Fourth Proportional to 126,696.34, 174,910.35 and 86,470.12

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Solution

The fourth proportional to 126,696.34, 174,910.35 and 86,470.12 is: 119,376.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,696.34 : 174,910.35 = 86,470.12 : x
  2. Step 2: Convert to fraction form
    126,696.34/174,910.35 = 86,470.12/x
  3. Step 3: Cross multiply
    126,696.34x = 174,910.35 × 86,470.12
  4. Step 4: Simplify right side
    126,696.34x = 15,124,518,953.74
  5. Step 5: Solve for x
    x = 15,124,518,953.74/126,696.34
  6. Step 6: Final answer
    x = 119,376.13

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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.