Home / 142,909.84-214,416.76-49,425.04

Finding the Fourth Proportional to 142,909.84, 214,416.76 and 49,425.04

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Solution

The fourth proportional to 142,909.84, 214,416.76 and 49,425.04 is: 74,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,909.84 : 214,416.76 = 49,425.04 : x
  2. Step 2: Convert to fraction form
    142,909.84/214,416.76 = 49,425.04/x
  3. Step 3: Cross multiply
    142,909.84x = 214,416.76 × 49,425.04
  4. Step 4: Simplify right side
    142,909.84x = 10,597,556,939.67
  5. Step 5: Solve for x
    x = 10,597,556,939.67/142,909.84
  6. Step 6: Final answer
    x = 74,155.54

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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.