Home / 154,905.64-232,382.76-66,159.64

Finding the Fourth Proportional to 154,905.64, 232,382.76 and 66,159.64

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Solution

The fourth proportional to 154,905.64, 232,382.76 and 66,159.64 is: 99,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,905.64 : 232,382.76 = 66,159.64 : x
  2. Step 2: Convert to fraction form
    154,905.64/232,382.76 = 66,159.64/x
  3. Step 3: Cross multiply
    154,905.64x = 232,382.76 × 66,159.64
  4. Step 4: Simplify right side
    154,905.64x = 15,374,359,743.81
  5. Step 5: Solve for x
    x = 15,374,359,743.81/154,905.64
  6. Step 6: Final answer
    x = 99,249.84

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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.