Home / 126,882.88-190,065.76-60,120.64

Finding the Fourth Proportional to 126,882.88, 190,065.76 and 60,120.64

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Solution

The fourth proportional to 126,882.88, 190,065.76 and 60,120.64 is: 90,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,882.88 : 190,065.76 = 60,120.64 : x
  2. Step 2: Convert to fraction form
    126,882.88/190,065.76 = 60,120.64/x
  3. Step 3: Cross multiply
    126,882.88x = 190,065.76 × 60,120.64
  4. Step 4: Simplify right side
    126,882.88x = 11,426,875,133.29
  5. Step 5: Solve for x
    x = 11,426,875,133.29/126,882.88
  6. Step 6: Final answer
    x = 90,058.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.