Home / 86,775.20-130,065.60-36,846.80

Finding the Fourth Proportional to 86,775.20, 130,065.60 and 36,846.80

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Solution

The fourth proportional to 86,775.20, 130,065.60 and 36,846.80 is: 55,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,775.20 : 130,065.60 = 36,846.80 : x
  2. Step 2: Convert to fraction form
    86,775.20/130,065.60 = 36,846.80/x
  3. Step 3: Cross multiply
    86,775.20x = 130,065.60 × 36,846.80
  4. Step 4: Simplify right side
    86,775.20x = 4,792,501,150.08
  5. Step 5: Solve for x
    x = 4,792,501,150.08/86,775.20
  6. Step 6: Final answer
    x = 55,228.93

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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.