Home / 85,202.07-127,803.24-85,079.04

Finding the Fourth Proportional to 85,202.07, 127,803.24 and 85,079.04

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Solution

The fourth proportional to 85,202.07, 127,803.24 and 85,079.04 is: 127,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,202.07 : 127,803.24 = 85,079.04 : x
  2. Step 2: Convert to fraction form
    85,202.07/127,803.24 = 85,079.04/x
  3. Step 3: Cross multiply
    85,202.07x = 127,803.24 × 85,079.04
  4. Step 4: Simplify right side
    85,202.07x = 10,873,376,968.09
  5. Step 5: Solve for x
    x = 10,873,376,968.09/85,202.07
  6. Step 6: Final answer
    x = 127,618.69

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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.