Home / 86,795.91-130,243.04-34,242.30

Finding the Fourth Proportional to 86,795.91, 130,243.04 and 34,242.30

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Solution

The fourth proportional to 86,795.91, 130,243.04 and 34,242.30 is: 51,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,795.91 : 130,243.04 = 34,242.30 : x
  2. Step 2: Convert to fraction form
    86,795.91/130,243.04 = 34,242.30/x
  3. Step 3: Cross multiply
    86,795.91x = 130,243.04 × 34,242.30
  4. Step 4: Simplify right side
    86,795.91x = 4,459,821,077.38
  5. Step 5: Solve for x
    x = 4,459,821,077.38/86,795.91
  6. Step 6: Final answer
    x = 51,382.85

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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.