Home / 140,578.13-210,867.39-57,472.13

Finding the Fourth Proportional to 140,578.13, 210,867.39 and 57,472.13

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Solution

The fourth proportional to 140,578.13, 210,867.39 and 57,472.13 is: 86,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,578.13 : 210,867.39 = 57,472.13 : x
  2. Step 2: Convert to fraction form
    140,578.13/210,867.39 = 57,472.13/x
  3. Step 3: Cross multiply
    140,578.13x = 210,867.39 × 57,472.13
  4. Step 4: Simplify right side
    140,578.13x = 12,118,996,996.50
  5. Step 5: Solve for x
    x = 12,118,996,996.50/140,578.13
  6. Step 6: Final answer
    x = 86,208.27

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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.