Home / 149,673.02-206,543.62-89,212.49

Finding the Fourth Proportional to 149,673.02, 206,543.62 and 89,212.49

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Solution

The fourth proportional to 149,673.02, 206,543.62 and 89,212.49 is: 123,110.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,673.02 : 206,543.62 = 89,212.49 : x
  2. Step 2: Convert to fraction form
    149,673.02/206,543.62 = 89,212.49/x
  3. Step 3: Cross multiply
    149,673.02x = 206,543.62 × 89,212.49
  4. Step 4: Simplify right side
    149,673.02x = 18,426,270,487.15
  5. Step 5: Solve for x
    x = 18,426,270,487.15/149,673.02
  6. Step 6: Final answer
    x = 123,110.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.