Home / 154,989.20-232,483.80-109,718.30

Finding the Fourth Proportional to 154,989.20, 232,483.80 and 109,718.30

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Solution

The fourth proportional to 154,989.20, 232,483.80 and 109,718.30 is: 164,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,989.20 : 232,483.80 = 109,718.30 : x
  2. Step 2: Convert to fraction form
    154,989.20/232,483.80 = 109,718.30/x
  3. Step 3: Cross multiply
    154,989.20x = 232,483.80 × 109,718.30
  4. Step 4: Simplify right side
    154,989.20x = 25,507,727,313.54
  5. Step 5: Solve for x
    x = 25,507,727,313.54/154,989.20
  6. Step 6: Final answer
    x = 164,577.45

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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.