Home / 109,509.01-164,223.42-53,332.27

Finding the Fourth Proportional to 109,509.01, 164,223.42 and 53,332.27

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Solution

The fourth proportional to 109,509.01, 164,223.42 and 53,332.27 is: 79,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,509.01 : 164,223.42 = 53,332.27 : x
  2. Step 2: Convert to fraction form
    109,509.01/164,223.42 = 53,332.27/x
  3. Step 3: Cross multiply
    109,509.01x = 164,223.42 × 53,332.27
  4. Step 4: Simplify right side
    109,509.01x = 8,758,407,165.21
  5. Step 5: Solve for x
    x = 8,758,407,165.21/109,509.01
  6. Step 6: Final answer
    x = 79,978.87

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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.