Home / 140,581.30-210,638.66-98,940.82

Finding the Fourth Proportional to 140,581.30, 210,638.66 and 98,940.82

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Solution

The fourth proportional to 140,581.30, 210,638.66 and 98,940.82 is: 148,247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,581.30 : 210,638.66 = 98,940.82 : x
  2. Step 2: Convert to fraction form
    140,581.30/210,638.66 = 98,940.82/x
  3. Step 3: Cross multiply
    140,581.30x = 210,638.66 × 98,940.82
  4. Step 4: Simplify right side
    140,581.30x = 20,840,761,744.10
  5. Step 5: Solve for x
    x = 20,840,761,744.10/140,581.30
  6. Step 6: Final answer
    x = 148,247.04

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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.