Home / 154,727.12-232,106.84-65,990

Finding the Fourth Proportional to 154,727.12, 232,106.84 and 65,990

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Solution

The fourth proportional to 154,727.12, 232,106.84 and 65,990 is: 98,991.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,727.12 : 232,106.84 = 65,990 : x
  2. Step 2: Convert to fraction form
    154,727.12/232,106.84 = 65,990/x
  3. Step 3: Cross multiply
    154,727.12x = 232,106.84 × 65,990
  4. Step 4: Simplify right side
    154,727.12x = 15,316,730,371.60
  5. Step 5: Solve for x
    x = 15,316,730,371.60/154,727.12
  6. Step 6: Final answer
    x = 98,991.89

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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.