Home / 142,750.30-214,125.45-137,307.10

Finding the Fourth Proportional to 142,750.30, 214,125.45 and 137,307.10

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Solution

The fourth proportional to 142,750.30, 214,125.45 and 137,307.10 is: 205,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,750.30 : 214,125.45 = 137,307.10 : x
  2. Step 2: Convert to fraction form
    142,750.30/214,125.45 = 137,307.10/x
  3. Step 3: Cross multiply
    142,750.30x = 214,125.45 × 137,307.10
  4. Step 4: Simplify right side
    142,750.30x = 29,400,944,575.70
  5. Step 5: Solve for x
    x = 29,400,944,575.70/142,750.30
  6. Step 6: Final answer
    x = 205,960.65

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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.