Home / 86,895.54-130,207.23-69,360.66

Finding the Fourth Proportional to 86,895.54, 130,207.23 and 69,360.66

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Solution

The fourth proportional to 86,895.54, 130,207.23 and 69,360.66 is: 103,932.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,895.54 : 130,207.23 = 69,360.66 : x
  2. Step 2: Convert to fraction form
    86,895.54/130,207.23 = 69,360.66/x
  3. Step 3: Cross multiply
    86,895.54x = 130,207.23 × 69,360.66
  4. Step 4: Simplify right side
    86,895.54x = 9,031,259,409.57
  5. Step 5: Solve for x
    x = 9,031,259,409.57/86,895.54
  6. Step 6: Final answer
    x = 103,932.37

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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.