Home / 121,721.60-182,582.40-32,986.10

Finding the Fourth Proportional to 121,721.60, 182,582.40 and 32,986.10

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Solution

The fourth proportional to 121,721.60, 182,582.40 and 32,986.10 is: 49,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,721.60 : 182,582.40 = 32,986.10 : x
  2. Step 2: Convert to fraction form
    121,721.60/182,582.40 = 32,986.10/x
  3. Step 3: Cross multiply
    121,721.60x = 182,582.40 × 32,986.10
  4. Step 4: Simplify right side
    121,721.60x = 6,022,681,304.64
  5. Step 5: Solve for x
    x = 6,022,681,304.64/121,721.60
  6. Step 6: Final answer
    x = 49,479.15

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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.