Home / 121,087-181,637.32-36,849.90

Finding the Fourth Proportional to 121,087, 181,637.32 and 36,849.90

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Solution

The fourth proportional to 121,087, 181,637.32 and 36,849.90 is: 55,276.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,087 : 181,637.32 = 36,849.90 : x
  2. Step 2: Convert to fraction form
    121,087/181,637.32 = 36,849.90/x
  3. Step 3: Cross multiply
    121,087x = 181,637.32 × 36,849.90
  4. Step 4: Simplify right side
    121,087x = 6,693,317,078.27
  5. Step 5: Solve for x
    x = 6,693,317,078.27/121,087
  6. Step 6: Final answer
    x = 55,276.93

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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.