Home / 86,903.56-130,355.34-40,150.36

Finding the Fourth Proportional to 86,903.56, 130,355.34 and 40,150.36

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Solution

The fourth proportional to 86,903.56, 130,355.34 and 40,150.36 is: 60,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,903.56 : 130,355.34 = 40,150.36 : x
  2. Step 2: Convert to fraction form
    86,903.56/130,355.34 = 40,150.36/x
  3. Step 3: Cross multiply
    86,903.56x = 130,355.34 × 40,150.36
  4. Step 4: Simplify right side
    86,903.56x = 5,233,813,828.92
  5. Step 5: Solve for x
    x = 5,233,813,828.92/86,903.56
  6. Step 6: Final answer
    x = 60,225.54

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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.