Home / 121,424.34-182,092.77-51,309.12

Finding the Fourth Proportional to 121,424.34, 182,092.77 and 51,309.12

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Solution

The fourth proportional to 121,424.34, 182,092.77 and 51,309.12 is: 76,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,424.34 : 182,092.77 = 51,309.12 : x
  2. Step 2: Convert to fraction form
    121,424.34/182,092.77 = 51,309.12/x
  3. Step 3: Cross multiply
    121,424.34x = 182,092.77 × 51,309.12
  4. Step 4: Simplify right side
    121,424.34x = 9,343,019,787.06
  5. Step 5: Solve for x
    x = 9,343,019,787.06/121,424.34
  6. Step 6: Final answer
    x = 76,945.20

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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.