Home / 140,585.76-210,909.83-40,750.02

Finding the Fourth Proportional to 140,585.76, 210,909.83 and 40,750.02

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Solution

The fourth proportional to 140,585.76, 210,909.83 and 40,750.02 is: 61,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,585.76 : 210,909.83 = 40,750.02 : x
  2. Step 2: Convert to fraction form
    140,585.76/210,909.83 = 40,750.02/x
  3. Step 3: Cross multiply
    140,585.76x = 210,909.83 × 40,750.02
  4. Step 4: Simplify right side
    140,585.76x = 8,594,579,586.95
  5. Step 5: Solve for x
    x = 8,594,579,586.95/140,585.76
  6. Step 6: Final answer
    x = 61,134.07

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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.