Home / 140,103.14-210,080.42-61,125.10

Finding the Fourth Proportional to 140,103.14, 210,080.42 and 61,125.10

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Solution

The fourth proportional to 140,103.14, 210,080.42 and 61,125.10 is: 91,655.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,103.14 : 210,080.42 = 61,125.10 : x
  2. Step 2: Convert to fraction form
    140,103.14/210,080.42 = 61,125.10/x
  3. Step 3: Cross multiply
    140,103.14x = 210,080.42 × 61,125.10
  4. Step 4: Simplify right side
    140,103.14x = 12,841,186,680.54
  5. Step 5: Solve for x
    x = 12,841,186,680.54/140,103.14
  6. Step 6: Final answer
    x = 91,655.24

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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.