Home / 250,189.32-375,367.02-81,715.16

Finding the Fourth Proportional to 250,189.32, 375,367.02 and 81,715.16

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Solution

The fourth proportional to 250,189.32, 375,367.02 and 81,715.16 is: 122,599.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,189.32 : 375,367.02 = 81,715.16 : x
  2. Step 2: Convert to fraction form
    250,189.32/375,367.02 = 81,715.16/x
  3. Step 3: Cross multiply
    250,189.32x = 375,367.02 × 81,715.16
  4. Step 4: Simplify right side
    250,189.32x = 30,673,176,098.02
  5. Step 5: Solve for x
    x = 30,673,176,098.02/250,189.32
  6. Step 6: Final answer
    x = 122,599.86

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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.