Home / 142,922.60-214,383.90-49,437.80

Finding the Fourth Proportional to 142,922.60, 214,383.90 and 49,437.80

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Solution

The fourth proportional to 142,922.60, 214,383.90 and 49,437.80 is: 74,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,922.60 : 214,383.90 = 49,437.80 : x
  2. Step 2: Convert to fraction form
    142,922.60/214,383.90 = 49,437.80/x
  3. Step 3: Cross multiply
    142,922.60x = 214,383.90 × 49,437.80
  4. Step 4: Simplify right side
    142,922.60x = 10,598,668,371.42
  5. Step 5: Solve for x
    x = 10,598,668,371.42/142,922.60
  6. Step 6: Final answer
    x = 74,156.70

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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.