Home / 121,331.53-182,023.22-42,448.33

Finding the Fourth Proportional to 121,331.53, 182,023.22 and 42,448.33

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Solution

The fourth proportional to 121,331.53, 182,023.22 and 42,448.33 is: 63,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,331.53 : 182,023.22 = 42,448.33 : x
  2. Step 2: Convert to fraction form
    121,331.53/182,023.22 = 42,448.33/x
  3. Step 3: Cross multiply
    121,331.53x = 182,023.22 × 42,448.33
  4. Step 4: Simplify right side
    121,331.53x = 7,726,581,710.22
  5. Step 5: Solve for x
    x = 7,726,581,710.22/121,331.53
  6. Step 6: Final answer
    x = 63,681.56

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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.