Home / 121,826.28-182,754.06-42,924.20

Finding the Fourth Proportional to 121,826.28, 182,754.06 and 42,924.20

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Solution

The fourth proportional to 121,826.28, 182,754.06 and 42,924.20 is: 64,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,826.28 : 182,754.06 = 42,924.20 : x
  2. Step 2: Convert to fraction form
    121,826.28/182,754.06 = 42,924.20/x
  3. Step 3: Cross multiply
    121,826.28x = 182,754.06 × 42,924.20
  4. Step 4: Simplify right side
    121,826.28x = 7,844,571,822.25
  5. Step 5: Solve for x
    x = 7,844,571,822.25/121,826.28
  6. Step 6: Final answer
    x = 64,391.46

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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.