Home / 140,169.09-210,281.28-51,423.33

Finding the Fourth Proportional to 140,169.09, 210,281.28 and 51,423.33

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Solution

The fourth proportional to 140,169.09, 210,281.28 and 51,423.33 is: 77,145.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,169.09 : 210,281.28 = 51,423.33 : x
  2. Step 2: Convert to fraction form
    140,169.09/210,281.28 = 51,423.33/x
  3. Step 3: Cross multiply
    140,169.09x = 210,281.28 × 51,423.33
  4. Step 4: Simplify right side
    140,169.09x = 10,813,363,654.26
  5. Step 5: Solve for x
    x = 10,813,363,654.26/140,169.09
  6. Step 6: Final answer
    x = 77,145.14

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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.