Home / 154,947.40-232,421.10-107,708.20

Finding the Fourth Proportional to 154,947.40, 232,421.10 and 107,708.20

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Solution

The fourth proportional to 154,947.40, 232,421.10 and 107,708.20 is: 161,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,947.40 : 232,421.10 = 107,708.20 : x
  2. Step 2: Convert to fraction form
    154,947.40/232,421.10 = 107,708.20/x
  3. Step 3: Cross multiply
    154,947.40x = 232,421.10 × 107,708.20
  4. Step 4: Simplify right side
    154,947.40x = 25,033,658,323.02
  5. Step 5: Solve for x
    x = 25,033,658,323.02/154,947.40
  6. Step 6: Final answer
    x = 161,562.30

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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.