Home / 121,233.60-181,882.80-108,176.40

Finding the Fourth Proportional to 121,233.60, 181,882.80 and 108,176.40

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Solution

The fourth proportional to 121,233.60, 181,882.80 and 108,176.40 is: 162,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,233.60 : 181,882.80 = 108,176.40 : x
  2. Step 2: Convert to fraction form
    121,233.60/181,882.80 = 108,176.40/x
  3. Step 3: Cross multiply
    121,233.60x = 181,882.80 × 108,176.40
  4. Step 4: Simplify right side
    121,233.60x = 19,675,426,525.92
  5. Step 5: Solve for x
    x = 19,675,426,525.92/121,233.60
  6. Step 6: Final answer
    x = 162,293.51

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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.