Home / 121,214.72-181,841.32-36,955.58

Finding the Fourth Proportional to 121,214.72, 181,841.32 and 36,955.58

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Solution

The fourth proportional to 121,214.72, 181,841.32 and 36,955.58 is: 55,439.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,214.72 : 181,841.32 = 36,955.58 : x
  2. Step 2: Convert to fraction form
    121,214.72/181,841.32 = 36,955.58/x
  3. Step 3: Cross multiply
    121,214.72x = 181,841.32 × 36,955.58
  4. Step 4: Simplify right side
    121,214.72x = 6,720,051,448.57
  5. Step 5: Solve for x
    x = 6,720,051,448.57/121,214.72
  6. Step 6: Final answer
    x = 55,439.24

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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.