Home / 142,453.81-213,691.95-47,684.52

Finding the Fourth Proportional to 142,453.81, 213,691.95 and 47,684.52

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Solution

The fourth proportional to 142,453.81, 213,691.95 and 47,684.52 is: 71,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,453.81 : 213,691.95 = 47,684.52 : x
  2. Step 2: Convert to fraction form
    142,453.81/213,691.95 = 47,684.52/x
  3. Step 3: Cross multiply
    142,453.81x = 213,691.95 × 47,684.52
  4. Step 4: Simplify right side
    142,453.81x = 10,189,798,063.61
  5. Step 5: Solve for x
    x = 10,189,798,063.61/142,453.81
  6. Step 6: Final answer
    x = 71,530.54

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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.