Home / 85,246.20-127,948.08-43,155.84

Finding the Fourth Proportional to 85,246.20, 127,948.08 and 43,155.84

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Solution

The fourth proportional to 85,246.20, 127,948.08 and 43,155.84 is: 64,773.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,246.20 : 127,948.08 = 43,155.84 : x
  2. Step 2: Convert to fraction form
    85,246.20/127,948.08 = 43,155.84/x
  3. Step 3: Cross multiply
    85,246.20x = 127,948.08 × 43,155.84
  4. Step 4: Simplify right side
    85,246.20x = 5,521,706,868.79
  5. Step 5: Solve for x
    x = 5,521,706,868.79/85,246.20
  6. Step 6: Final answer
    x = 64,773.64

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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.