Home / 126,881.28-175,084.80-70,277.76

Finding the Fourth Proportional to 126,881.28, 175,084.80 and 70,277.76

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Solution

The fourth proportional to 126,881.28, 175,084.80 and 70,277.76 is: 96,977.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,881.28 : 175,084.80 = 70,277.76 : x
  2. Step 2: Convert to fraction form
    126,881.28/175,084.80 = 70,277.76/x
  3. Step 3: Cross multiply
    126,881.28x = 175,084.80 × 70,277.76
  4. Step 4: Simplify right side
    126,881.28x = 12,304,567,554.05
  5. Step 5: Solve for x
    x = 12,304,567,554.05/126,881.28
  6. Step 6: Final answer
    x = 96,977.01

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1.5x scale

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.