Home / 140,056.70-210,039.33-45,264.61

Finding the Fourth Proportional to 140,056.70, 210,039.33 and 45,264.61

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Solution

The fourth proportional to 140,056.70, 210,039.33 and 45,264.61 is: 67,882.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,056.70 : 210,039.33 = 45,264.61 : x
  2. Step 2: Convert to fraction form
    140,056.70/210,039.33 = 45,264.61/x
  3. Step 3: Cross multiply
    140,056.70x = 210,039.33 × 45,264.61
  4. Step 4: Simplify right side
    140,056.70x = 9,507,348,357.11
  5. Step 5: Solve for x
    x = 9,507,348,357.11/140,056.70
  6. Step 6: Final answer
    x = 67,882.14

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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.