Home / 142,337.45-213,532.13-47,558.61

Finding the Fourth Proportional to 142,337.45, 213,532.13 and 47,558.61

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Solution

The fourth proportional to 142,337.45, 213,532.13 and 47,558.61 is: 71,346.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,337.45 : 213,532.13 = 47,558.61 : x
  2. Step 2: Convert to fraction form
    142,337.45/213,532.13 = 47,558.61/x
  3. Step 3: Cross multiply
    142,337.45x = 213,532.13 × 47,558.61
  4. Step 4: Simplify right side
    142,337.45x = 10,155,291,412.04
  5. Step 5: Solve for x
    x = 10,155,291,412.04/142,337.45
  6. Step 6: Final answer
    x = 71,346.59

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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.