Home / 140,125.60-210,222-40,283.76

Finding the Fourth Proportional to 140,125.60, 210,222 and 40,283.76

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Solution

The fourth proportional to 140,125.60, 210,222 and 40,283.76 is: 60,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,125.60 : 210,222 = 40,283.76 : x
  2. Step 2: Convert to fraction form
    140,125.60/210,222 = 40,283.76/x
  3. Step 3: Cross multiply
    140,125.60x = 210,222 × 40,283.76
  4. Step 4: Simplify right side
    140,125.60x = 8,468,532,594.72
  5. Step 5: Solve for x
    x = 8,468,532,594.72/140,125.60
  6. Step 6: Final answer
    x = 60,435.30

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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.