Home / 127,440.36-175,867.92-70,851.78

Finding the Fourth Proportional to 127,440.36, 175,867.92 and 70,851.78

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Solution

The fourth proportional to 127,440.36, 175,867.92 and 70,851.78 is: 97,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,440.36 : 175,867.92 = 70,851.78 : x
  2. Step 2: Convert to fraction form
    127,440.36/175,867.92 = 70,851.78/x
  3. Step 3: Cross multiply
    127,440.36x = 175,867.92 × 70,851.78
  4. Step 4: Simplify right side
    127,440.36x = 12,460,555,176.90
  5. Step 5: Solve for x
    x = 12,460,555,176.90/127,440.36
  6. Step 6: Final answer
    x = 97,775.58

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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.