Home / 140,104.14-210,081.92-61,126.10

Finding the Fourth Proportional to 140,104.14, 210,081.92 and 61,126.10

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Solution

The fourth proportional to 140,104.14, 210,081.92 and 61,126.10 is: 91,656.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,104.14 : 210,081.92 = 61,126.10 : x
  2. Step 2: Convert to fraction form
    140,104.14/210,081.92 = 61,126.10/x
  3. Step 3: Cross multiply
    140,104.14x = 210,081.92 × 61,126.10
  4. Step 4: Simplify right side
    140,104.14x = 12,841,488,450.11
  5. Step 5: Solve for x
    x = 12,841,488,450.11/140,104.14
  6. Step 6: Final answer
    x = 91,656.74

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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.