Home / 202,171.10-303,252.50-89,820.86

Finding the Fourth Proportional to 202,171.10, 303,252.50 and 89,820.86

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Solution

The fourth proportional to 202,171.10, 303,252.50 and 89,820.86 is: 134,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,171.10 : 303,252.50 = 89,820.86 : x
  2. Step 2: Convert to fraction form
    202,171.10/303,252.50 = 89,820.86/x
  3. Step 3: Cross multiply
    202,171.10x = 303,252.50 × 89,820.86
  4. Step 4: Simplify right side
    202,171.10x = 27,238,400,347.15
  5. Step 5: Solve for x
    x = 27,238,400,347.15/202,171.10
  6. Step 6: Final answer
    x = 134,729.45

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1.5x scale

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.