Home / 126,868.18-175,065.33-70,268.98

Finding the Fourth Proportional to 126,868.18, 175,065.33 and 70,268.98

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Solution

The fourth proportional to 126,868.18, 175,065.33 and 70,268.98 is: 96,964.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,868.18 : 175,065.33 = 70,268.98 : x
  2. Step 2: Convert to fraction form
    126,868.18/175,065.33 = 70,268.98/x
  3. Step 3: Cross multiply
    126,868.18x = 175,065.33 × 70,268.98
  4. Step 4: Simplify right side
    126,868.18x = 12,301,662,172.46
  5. Step 5: Solve for x
    x = 12,301,662,172.46/126,868.18
  6. Step 6: Final answer
    x = 96,964.13

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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.