Home / 126,886.75-175,109.45-70,298.13

Finding the Fourth Proportional to 126,886.75, 175,109.45 and 70,298.13

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Solution

The fourth proportional to 126,886.75, 175,109.45 and 70,298.13 is: 97,014.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,886.75 : 175,109.45 = 70,298.13 : x
  2. Step 2: Convert to fraction form
    126,886.75/175,109.45 = 70,298.13/x
  3. Step 3: Cross multiply
    126,886.75x = 175,109.45 × 70,298.13
  4. Step 4: Simplify right side
    126,886.75x = 12,309,866,180.53
  5. Step 5: Solve for x
    x = 12,309,866,180.53/126,886.75
  6. Step 6: Final answer
    x = 97,014.59

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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.