Home / 138,837.25-208,263.95-39,005.23

Finding the Fourth Proportional to 138,837.25, 208,263.95 and 39,005.23

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Solution

The fourth proportional to 138,837.25, 208,263.95 and 39,005.23 is: 58,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,837.25 : 208,263.95 = 39,005.23 : x
  2. Step 2: Convert to fraction form
    138,837.25/208,263.95 = 39,005.23/x
  3. Step 3: Cross multiply
    138,837.25x = 208,263.95 × 39,005.23
  4. Step 4: Simplify right side
    138,837.25x = 8,123,383,441.46
  5. Step 5: Solve for x
    x = 8,123,383,441.46/138,837.25
  6. Step 6: Final answer
    x = 58,510.11

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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.