Home / 121,202.16-181,830.78-36,969.86

Finding the Fourth Proportional to 121,202.16, 181,830.78 and 36,969.86

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Solution

The fourth proportional to 121,202.16, 181,830.78 and 36,969.86 is: 55,463.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,202.16 : 181,830.78 = 36,969.86 : x
  2. Step 2: Convert to fraction form
    121,202.16/181,830.78 = 36,969.86/x
  3. Step 3: Cross multiply
    121,202.16x = 181,830.78 × 36,969.86
  4. Step 4: Simplify right side
    121,202.16x = 6,722,258,480.29
  5. Step 5: Solve for x
    x = 6,722,258,480.29/121,202.16
  6. Step 6: Final answer
    x = 55,463.19

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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.