Home / 85,320.92-127,881.74-64,193.10

Finding the Fourth Proportional to 85,320.92, 127,881.74 and 64,193.10

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Solution

The fourth proportional to 85,320.92, 127,881.74 and 64,193.10 is: 96,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,320.92 : 127,881.74 = 64,193.10 : x
  2. Step 2: Convert to fraction form
    85,320.92/127,881.74 = 64,193.10/x
  3. Step 3: Cross multiply
    85,320.92x = 127,881.74 × 64,193.10
  4. Step 4: Simplify right side
    85,320.92x = 8,209,125,323.99
  5. Step 5: Solve for x
    x = 8,209,125,323.99/85,320.92
  6. Step 6: Final answer
    x = 96,214.68

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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.