Home / 207,537.12-311,402.88-102,298.68

Finding the Fourth Proportional to 207,537.12, 311,402.88 and 102,298.68

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Solution

The fourth proportional to 207,537.12, 311,402.88 and 102,298.68 is: 153,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,537.12 : 311,402.88 = 102,298.68 : x
  2. Step 2: Convert to fraction form
    207,537.12/311,402.88 = 102,298.68/x
  3. Step 3: Cross multiply
    207,537.12x = 311,402.88 × 102,298.68
  4. Step 4: Simplify right side
    207,537.12x = 31,856,103,572.20
  5. Step 5: Solve for x
    x = 31,856,103,572.20/207,537.12
  6. Step 6: Final answer
    x = 153,495.93

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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.