Home / 154,998.40-232,643.13-76,169.20

Finding the Fourth Proportional to 154,998.40, 232,643.13 and 76,169.20

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Solution

The fourth proportional to 154,998.40, 232,643.13 and 76,169.20 is: 114,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,998.40 : 232,643.13 = 76,169.20 : x
  2. Step 2: Convert to fraction form
    154,998.40/232,643.13 = 76,169.20/x
  3. Step 3: Cross multiply
    154,998.40x = 232,643.13 × 76,169.20
  4. Step 4: Simplify right side
    154,998.40x = 17,720,241,097.60
  5. Step 5: Solve for x
    x = 17,720,241,097.60/154,998.40
  6. Step 6: Final answer
    x = 114,325.32

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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.