Home / 140,433.14-210,702.91-84,312.44

Finding the Fourth Proportional to 140,433.14, 210,702.91 and 84,312.44

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Solution

The fourth proportional to 140,433.14, 210,702.91 and 84,312.44 is: 126,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,433.14 : 210,702.91 = 84,312.44 : x
  2. Step 2: Convert to fraction form
    140,433.14/210,702.91 = 84,312.44/x
  3. Step 3: Cross multiply
    140,433.14x = 210,702.91 × 84,312.44
  4. Step 4: Simplify right side
    140,433.14x = 17,764,876,457.20
  5. Step 5: Solve for x
    x = 17,764,876,457.20/140,433.14
  6. Step 6: Final answer
    x = 126,500.60

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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.