Home / 140,102.14-210,078.92-61,124.10

Finding the Fourth Proportional to 140,102.14, 210,078.92 and 61,124.10

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Solution

The fourth proportional to 140,102.14, 210,078.92 and 61,124.10 is: 91,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,102.14 : 210,078.92 = 61,124.10 : x
  2. Step 2: Convert to fraction form
    140,102.14/210,078.92 = 61,124.10/x
  3. Step 3: Cross multiply
    140,102.14x = 210,078.92 × 61,124.10
  4. Step 4: Simplify right side
    140,102.14x = 12,840,884,913.97
  5. Step 5: Solve for x
    x = 12,840,884,913.97/140,102.14
  6. Step 6: Final answer
    x = 91,653.74

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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.