Home / 142,044.05-213,057.71-53,290.11

Finding the Fourth Proportional to 142,044.05, 213,057.71 and 53,290.11

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Solution

The fourth proportional to 142,044.05, 213,057.71 and 53,290.11 is: 79,932.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,044.05 : 213,057.71 = 53,290.11 : x
  2. Step 2: Convert to fraction form
    142,044.05/213,057.71 = 53,290.11/x
  3. Step 3: Cross multiply
    142,044.05x = 213,057.71 × 53,290.11
  4. Step 4: Simplify right side
    142,044.05x = 11,353,868,535.80
  5. Step 5: Solve for x
    x = 11,353,868,535.80/142,044.05
  6. Step 6: Final answer
    x = 79,932.03

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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.