Home / 149,627.04-206,484.12-81,642.48

Finding the Fourth Proportional to 149,627.04, 206,484.12 and 81,642.48

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Solution

The fourth proportional to 149,627.04, 206,484.12 and 81,642.48 is: 112,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,627.04 : 206,484.12 = 81,642.48 : x
  2. Step 2: Convert to fraction form
    149,627.04/206,484.12 = 81,642.48/x
  3. Step 3: Cross multiply
    149,627.04x = 206,484.12 × 81,642.48
  4. Step 4: Simplify right side
    149,627.04x = 16,857,875,637.42
  5. Step 5: Solve for x
    x = 16,857,875,637.42/149,627.04
  6. Step 6: Final answer
    x = 112,665.97

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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.