Home / 142,044.03-213,057.72-53,290.13

Finding the Fourth Proportional to 142,044.03, 213,057.72 and 53,290.13

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Solution

The fourth proportional to 142,044.03, 213,057.72 and 53,290.13 is: 79,932.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,044.03 : 213,057.72 = 53,290.13 : x
  2. Step 2: Convert to fraction form
    142,044.03/213,057.72 = 53,290.13/x
  3. Step 3: Cross multiply
    142,044.03x = 213,057.72 × 53,290.13
  4. Step 4: Simplify right side
    142,044.03x = 11,353,872,531.02
  5. Step 5: Solve for x
    x = 11,353,872,531.02/142,044.03
  6. Step 6: Final answer
    x = 79,932.06

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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.