Home / 91,972.86-126,980.64-60,195.48

Finding the Fourth Proportional to 91,972.86, 126,980.64 and 60,195.48

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Solution

The fourth proportional to 91,972.86, 126,980.64 and 60,195.48 is: 83,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,972.86 : 126,980.64 = 60,195.48 : x
  2. Step 2: Convert to fraction form
    91,972.86/126,980.64 = 60,195.48/x
  3. Step 3: Cross multiply
    91,972.86x = 126,980.64 × 60,195.48
  4. Step 4: Simplify right side
    91,972.86x = 7,643,660,575.51
  5. Step 5: Solve for x
    x = 7,643,660,575.51/91,972.86
  6. Step 6: Final answer
    x = 83,107.78

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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.