Home / 121,653.52-182,578.56-51,582.04

Finding the Fourth Proportional to 121,653.52, 182,578.56 and 51,582.04

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Solution

The fourth proportional to 121,653.52, 182,578.56 and 51,582.04 is: 77,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,653.52 : 182,578.56 = 51,582.04 : x
  2. Step 2: Convert to fraction form
    121,653.52/182,578.56 = 51,582.04/x
  3. Step 3: Cross multiply
    121,653.52x = 182,578.56 × 51,582.04
  4. Step 4: Simplify right side
    121,653.52x = 9,417,774,585.06
  5. Step 5: Solve for x
    x = 9,417,774,585.06/121,653.52
  6. Step 6: Final answer
    x = 77,414.73

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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.