Home / 89,864.24-134,500.91-80,022.74

Finding the Fourth Proportional to 89,864.24, 134,500.91 and 80,022.74

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Solution

The fourth proportional to 89,864.24, 134,500.91 and 80,022.74 is: 119,771.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,864.24 : 134,500.91 = 80,022.74 : x
  2. Step 2: Convert to fraction form
    89,864.24/134,500.91 = 80,022.74/x
  3. Step 3: Cross multiply
    89,864.24x = 134,500.91 × 80,022.74
  4. Step 4: Simplify right side
    89,864.24x = 10,763,130,278.08
  5. Step 5: Solve for x
    x = 10,763,130,278.08/89,864.24
  6. Step 6: Final answer
    x = 119,771.01

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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.