Home / 154,378.04-231,677.82-65,693.84

Finding the Fourth Proportional to 154,378.04, 231,677.82 and 65,693.84

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Solution

The fourth proportional to 154,378.04, 231,677.82 and 65,693.84 is: 98,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,378.04 : 231,677.82 = 65,693.84 : x
  2. Step 2: Convert to fraction form
    154,378.04/231,677.82 = 65,693.84/x
  3. Step 3: Cross multiply
    154,378.04x = 231,677.82 × 65,693.84
  4. Step 4: Simplify right side
    154,378.04x = 15,219,804,480.24
  5. Step 5: Solve for x
    x = 15,219,804,480.24/154,378.04
  6. Step 6: Final answer
    x = 98,587.89

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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.