Home / 140,532.13-210,791.71-51,779.62

Finding the Fourth Proportional to 140,532.13, 210,791.71 and 51,779.62

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Solution

The fourth proportional to 140,532.13, 210,791.71 and 51,779.62 is: 77,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,532.13 : 210,791.71 = 51,779.62 : x
  2. Step 2: Convert to fraction form
    140,532.13/210,791.71 = 51,779.62/x
  3. Step 3: Cross multiply
    140,532.13x = 210,791.71 × 51,779.62
  4. Step 4: Simplify right side
    140,532.13x = 10,914,714,642.95
  5. Step 5: Solve for x
    x = 10,914,714,642.95/140,532.13
  6. Step 6: Final answer
    x = 77,667.04

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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.