Home / 126,148.86-174,127.59-75,177.59

Finding the Fourth Proportional to 126,148.86, 174,127.59 and 75,177.59

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Solution

The fourth proportional to 126,148.86, 174,127.59 and 75,177.59 is: 103,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,148.86 : 174,127.59 = 75,177.59 : x
  2. Step 2: Convert to fraction form
    126,148.86/174,127.59 = 75,177.59/x
  3. Step 3: Cross multiply
    126,148.86x = 174,127.59 × 75,177.59
  4. Step 4: Simplify right side
    126,148.86x = 13,090,491,698.07
  5. Step 5: Solve for x
    x = 13,090,491,698.07/126,148.86
  6. Step 6: Final answer
    x = 103,770.19

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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.