Home / 142,169.13-213,182.19-47,365.74

Finding the Fourth Proportional to 142,169.13, 213,182.19 and 47,365.74

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Solution

The fourth proportional to 142,169.13, 213,182.19 and 47,365.74 is: 71,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,169.13 : 213,182.19 = 47,365.74 : x
  2. Step 2: Convert to fraction form
    142,169.13/213,182.19 = 47,365.74/x
  3. Step 3: Cross multiply
    142,169.13x = 213,182.19 × 47,365.74
  4. Step 4: Simplify right side
    142,169.13x = 10,097,532,184.17
  5. Step 5: Solve for x
    x = 10,097,532,184.17/142,169.13
  6. Step 6: Final answer
    x = 71,024.79

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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.