Home / 154,741.65-232,178.10-84,538.95

Finding the Fourth Proportional to 154,741.65, 232,178.10 and 84,538.95

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Solution

The fourth proportional to 154,741.65, 232,178.10 and 84,538.95 is: 126,844.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,741.65 : 232,178.10 = 84,538.95 : x
  2. Step 2: Convert to fraction form
    154,741.65/232,178.10 = 84,538.95/x
  3. Step 3: Cross multiply
    154,741.65x = 232,178.10 × 84,538.95
  4. Step 4: Simplify right side
    154,741.65x = 19,628,091,626.10
  5. Step 5: Solve for x
    x = 19,628,091,626.10/154,741.65
  6. Step 6: Final answer
    x = 126,844.27

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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.