Home / 86,974.38-130,240.08-57,302.27

Finding the Fourth Proportional to 86,974.38, 130,240.08 and 57,302.27

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Solution

The fourth proportional to 86,974.38, 130,240.08 and 57,302.27 is: 85,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,974.38 : 130,240.08 = 57,302.27 : x
  2. Step 2: Convert to fraction form
    86,974.38/130,240.08 = 57,302.27/x
  3. Step 3: Cross multiply
    86,974.38x = 130,240.08 × 57,302.27
  4. Step 4: Simplify right side
    86,974.38x = 7,463,051,577.78
  5. Step 5: Solve for x
    x = 7,463,051,577.78/86,974.38
  6. Step 6: Final answer
    x = 85,807.47

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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.