Home / 86,916.10-130,532.55-76,029.70

Finding the Fourth Proportional to 86,916.10, 130,532.55 and 76,029.70

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Solution

The fourth proportional to 86,916.10, 130,532.55 and 76,029.70 is: 114,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,916.10 : 130,532.55 = 76,029.70 : x
  2. Step 2: Convert to fraction form
    86,916.10/130,532.55 = 76,029.70/x
  3. Step 3: Cross multiply
    86,916.10x = 130,532.55 × 76,029.70
  4. Step 4: Simplify right side
    86,916.10x = 9,924,350,616.74
  5. Step 5: Solve for x
    x = 9,924,350,616.74/86,916.10
  6. Step 6: Final answer
    x = 114,183.11

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