Home / 124,278.30-171,541.80-117,929.52

Finding the Fourth Proportional to 124,278.30, 171,541.80 and 117,929.52

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Solution

The fourth proportional to 124,278.30, 171,541.80 and 117,929.52 is: 162,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,278.30 : 171,541.80 = 117,929.52 : x
  2. Step 2: Convert to fraction form
    124,278.30/171,541.80 = 117,929.52/x
  3. Step 3: Cross multiply
    124,278.30x = 171,541.80 × 117,929.52
  4. Step 4: Simplify right side
    124,278.30x = 20,229,842,133.94
  5. Step 5: Solve for x
    x = 20,229,842,133.94/124,278.30
  6. Step 6: Final answer
    x = 162,778.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.