Home / 121,862.92-182,795.34-42,959.08

Finding the Fourth Proportional to 121,862.92, 182,795.34 and 42,959.08

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Solution

The fourth proportional to 121,862.92, 182,795.34 and 42,959.08 is: 64,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,862.92 : 182,795.34 = 42,959.08 : x
  2. Step 2: Convert to fraction form
    121,862.92/182,795.34 = 42,959.08/x
  3. Step 3: Cross multiply
    121,862.92x = 182,795.34 × 42,959.08
  4. Step 4: Simplify right side
    121,862.92x = 7,852,719,634.69
  5. Step 5: Solve for x
    x = 7,852,719,634.69/121,862.92
  6. Step 6: Final answer
    x = 64,438.96

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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.