Home / 142,357.26-213,463.80-47,553.66

Finding the Fourth Proportional to 142,357.26, 213,463.80 and 47,553.66

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Solution

The fourth proportional to 142,357.26, 213,463.80 and 47,553.66 is: 71,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,357.26 : 213,463.80 = 47,553.66 : x
  2. Step 2: Convert to fraction form
    142,357.26/213,463.80 = 47,553.66/x
  3. Step 3: Cross multiply
    142,357.26x = 213,463.80 × 47,553.66
  4. Step 4: Simplify right side
    142,357.26x = 10,150,984,967.51
  5. Step 5: Solve for x
    x = 10,150,984,967.51/142,357.26
  6. Step 6: Final answer
    x = 71,306.41

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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.