Home / 126,707.73-190,103.82-42,476.22

Finding the Fourth Proportional to 126,707.73, 190,103.82 and 42,476.22

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Solution

The fourth proportional to 126,707.73, 190,103.82 and 42,476.22 is: 63,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,707.73 : 190,103.82 = 42,476.22 : x
  2. Step 2: Convert to fraction form
    126,707.73/190,103.82 = 42,476.22/x
  3. Step 3: Cross multiply
    126,707.73x = 190,103.82 × 42,476.22
  4. Step 4: Simplify right side
    126,707.73x = 8,074,891,681.16
  5. Step 5: Solve for x
    x = 8,074,891,681.16/126,707.73
  6. Step 6: Final answer
    x = 63,728.49

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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.