Home / 142,169.13-213,253.98-36,987.93

Finding the Fourth Proportional to 142,169.13, 213,253.98 and 36,987.93

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Solution

The fourth proportional to 142,169.13, 213,253.98 and 36,987.93 is: 55,481.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,169.13 : 213,253.98 = 36,987.93 : x
  2. Step 2: Convert to fraction form
    142,169.13/213,253.98 = 36,987.93/x
  3. Step 3: Cross multiply
    142,169.13x = 213,253.98 × 36,987.93
  4. Step 4: Simplify right side
    142,169.13x = 7,887,823,284.46
  5. Step 5: Solve for x
    x = 7,887,823,284.46/142,169.13
  6. Step 6: Final answer
    x = 55,481.97

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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.