Home / 121,535.80-182,649.30-106,329.40

Finding the Fourth Proportional to 121,535.80, 182,649.30 and 106,329.40

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Solution

The fourth proportional to 121,535.80, 182,649.30 and 106,329.40 is: 159,796.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,535.80 : 182,649.30 = 106,329.40 : x
  2. Step 2: Convert to fraction form
    121,535.80/182,649.30 = 106,329.40/x
  3. Step 3: Cross multiply
    121,535.80x = 182,649.30 × 106,329.40
  4. Step 4: Simplify right side
    121,535.80x = 19,420,990,479.42
  5. Step 5: Solve for x
    x = 19,420,990,479.42/121,535.80
  6. Step 6: Final answer
    x = 159,796.46

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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.