Home / 85,327.08-127,890.92-64,199.22

Finding the Fourth Proportional to 85,327.08, 127,890.92 and 64,199.22

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Solution

The fourth proportional to 85,327.08, 127,890.92 and 64,199.22 is: 96,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,327.08 : 127,890.92 = 64,199.22 : x
  2. Step 2: Convert to fraction form
    85,327.08/127,890.92 = 64,199.22/x
  3. Step 3: Cross multiply
    85,327.08x = 127,890.92 × 64,199.22
  4. Step 4: Simplify right side
    85,327.08x = 8,210,497,309.08
  5. Step 5: Solve for x
    x = 8,210,497,309.08/85,327.08
  6. Step 6: Final answer
    x = 96,223.82

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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.