Home / 138,448.49-207,669.75-38,606.02

Finding the Fourth Proportional to 138,448.49, 207,669.75 and 38,606.02

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Solution

The fourth proportional to 138,448.49, 207,669.75 and 38,606.02 is: 57,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,448.49 : 207,669.75 = 38,606.02 : x
  2. Step 2: Convert to fraction form
    138,448.49/207,669.75 = 38,606.02/x
  3. Step 3: Cross multiply
    138,448.49x = 207,669.75 × 38,606.02
  4. Step 4: Simplify right side
    138,448.49x = 8,017,301,857.95
  5. Step 5: Solve for x
    x = 8,017,301,857.95/138,448.49
  6. Step 6: Final answer
    x = 57,908.19

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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.