Home / 126,912.76-175,139.28-70,324.16

Finding the Fourth Proportional to 126,912.76, 175,139.28 and 70,324.16

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Solution

The fourth proportional to 126,912.76, 175,139.28 and 70,324.16 is: 97,047.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,912.76 : 175,139.28 = 70,324.16 : x
  2. Step 2: Convert to fraction form
    126,912.76/175,139.28 = 70,324.16/x
  3. Step 3: Cross multiply
    126,912.76x = 175,139.28 × 70,324.16
  4. Step 4: Simplify right side
    126,912.76x = 12,316,522,749.00
  5. Step 5: Solve for x
    x = 12,316,522,749.00/126,912.76
  6. Step 6: Final answer
    x = 97,047.16

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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.