Home / 142,346.14-213,446.58-47,542.18

Finding the Fourth Proportional to 142,346.14, 213,446.58 and 47,542.18

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Solution

The fourth proportional to 142,346.14, 213,446.58 and 47,542.18 is: 71,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,346.14 : 213,446.58 = 47,542.18 : x
  2. Step 2: Convert to fraction form
    142,346.14/213,446.58 = 47,542.18/x
  3. Step 3: Cross multiply
    142,346.14x = 213,446.58 × 47,542.18
  4. Step 4: Simplify right side
    142,346.14x = 10,147,715,726.74
  5. Step 5: Solve for x
    x = 10,147,715,726.74/142,346.14
  6. Step 6: Final answer
    x = 71,289.01

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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.