Home / 154,264.40-231,386.88-49,158.80

Finding the Fourth Proportional to 154,264.40, 231,386.88 and 49,158.80

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Solution

The fourth proportional to 154,264.40, 231,386.88 and 49,158.80 is: 73,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,264.40 : 231,386.88 = 49,158.80 : x
  2. Step 2: Convert to fraction form
    154,264.40/231,386.88 = 49,158.80/x
  3. Step 3: Cross multiply
    154,264.40x = 231,386.88 × 49,158.80
  4. Step 4: Simplify right side
    154,264.40x = 11,374,701,356.54
  5. Step 5: Solve for x
    x = 11,374,701,356.54/154,264.40
  6. Step 6: Final answer
    x = 73,735.10

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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.