Home / 121,677.52-182,365.56-68,927.12

Finding the Fourth Proportional to 121,677.52, 182,365.56 and 68,927.12

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Solution

The fourth proportional to 121,677.52, 182,365.56 and 68,927.12 is: 103,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,677.52 : 182,365.56 = 68,927.12 : x
  2. Step 2: Convert to fraction form
    121,677.52/182,365.56 = 68,927.12/x
  3. Step 3: Cross multiply
    121,677.52x = 182,365.56 × 68,927.12
  4. Step 4: Simplify right side
    121,677.52x = 12,569,932,837.99
  5. Step 5: Solve for x
    x = 12,569,932,837.99/121,677.52
  6. Step 6: Final answer
    x = 103,305.30

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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.