Home / 142,519.05-213,809.13-52,562.07

Finding the Fourth Proportional to 142,519.05, 213,809.13 and 52,562.07

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Solution

The fourth proportional to 142,519.05, 213,809.13 and 52,562.07 is: 78,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,519.05 : 213,809.13 = 52,562.07 : x
  2. Step 2: Convert to fraction form
    142,519.05/213,809.13 = 52,562.07/x
  3. Step 3: Cross multiply
    142,519.05x = 213,809.13 × 52,562.07
  4. Step 4: Simplify right side
    142,519.05x = 11,238,250,457.70
  5. Step 5: Solve for x
    x = 11,238,250,457.70/142,519.05
  6. Step 6: Final answer
    x = 78,854.37

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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.