Home / 121,029.03-181,155.33-64,728.36

Finding the Fourth Proportional to 121,029.03, 181,155.33 and 64,728.36

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Solution

The fourth proportional to 121,029.03, 181,155.33 and 64,728.36 is: 96,884.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,029.03 : 181,155.33 = 64,728.36 : x
  2. Step 2: Convert to fraction form
    121,029.03/181,155.33 = 64,728.36/x
  3. Step 3: Cross multiply
    121,029.03x = 181,155.33 × 64,728.36
  4. Step 4: Simplify right side
    121,029.03x = 11,725,887,416.16
  5. Step 5: Solve for x
    x = 11,725,887,416.16/121,029.03
  6. Step 6: Final answer
    x = 96,884.92

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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.