Home / 86,848.24-130,129.26-79,585.24

Finding the Fourth Proportional to 86,848.24, 130,129.26 and 79,585.24

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Solution

The fourth proportional to 86,848.24, 130,129.26 and 79,585.24 is: 119,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,848.24 : 130,129.26 = 79,585.24 : x
  2. Step 2: Convert to fraction form
    86,848.24/130,129.26 = 79,585.24/x
  3. Step 3: Cross multiply
    86,848.24x = 130,129.26 × 79,585.24
  4. Step 4: Simplify right side
    86,848.24x = 10,356,368,388.12
  5. Step 5: Solve for x
    x = 10,356,368,388.12/86,848.24
  6. Step 6: Final answer
    x = 119,246.73

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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.