Home / 178,961.09-246,964.10-98,387.91

Finding the Fourth Proportional to 178,961.09, 246,964.10 and 98,387.91

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Solution

The fourth proportional to 178,961.09, 246,964.10 and 98,387.91 is: 135,774.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,961.09 : 246,964.10 = 98,387.91 : x
  2. Step 2: Convert to fraction form
    178,961.09/246,964.10 = 98,387.91/x
  3. Step 3: Cross multiply
    178,961.09x = 246,964.10 × 98,387.91
  4. Step 4: Simplify right side
    178,961.09x = 24,298,281,152.09
  5. Step 5: Solve for x
    x = 24,298,281,152.09/178,961.09
  6. Step 6: Final answer
    x = 135,774.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.