Home / 154,855.88-232,387.56-66,130.16

Finding the Fourth Proportional to 154,855.88, 232,387.56 and 66,130.16

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Solution

The fourth proportional to 154,855.88, 232,387.56 and 66,130.16 is: 99,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,855.88 : 232,387.56 = 66,130.16 : x
  2. Step 2: Convert to fraction form
    154,855.88/232,387.56 = 66,130.16/x
  3. Step 3: Cross multiply
    154,855.88x = 232,387.56 × 66,130.16
  4. Step 4: Simplify right side
    154,855.88x = 15,367,826,524.81
  5. Step 5: Solve for x
    x = 15,367,826,524.81/154,855.88
  6. Step 6: Final answer
    x = 99,239.54

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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.