Home / 86,889.24-130,399.74-60,220.26

Finding the Fourth Proportional to 86,889.24, 130,399.74 and 60,220.26

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Solution

The fourth proportional to 86,889.24, 130,399.74 and 60,220.26 is: 90,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,889.24 : 130,399.74 = 60,220.26 : x
  2. Step 2: Convert to fraction form
    86,889.24/130,399.74 = 60,220.26/x
  3. Step 3: Cross multiply
    86,889.24x = 130,399.74 × 60,220.26
  4. Step 4: Simplify right side
    86,889.24x = 7,852,706,246.73
  5. Step 5: Solve for x
    x = 7,852,706,246.73/86,889.24
  6. Step 6: Final answer
    x = 90,376.05

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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.