Home / 203,065.04-304,877.08-103,292.75

Finding the Fourth Proportional to 203,065.04, 304,877.08 and 103,292.75

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Solution

The fourth proportional to 203,065.04, 304,877.08 and 103,292.75 is: 155,081.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,065.04 : 304,877.08 = 103,292.75 : x
  2. Step 2: Convert to fraction form
    203,065.04/304,877.08 = 103,292.75/x
  3. Step 3: Cross multiply
    203,065.04x = 304,877.08 × 103,292.75
  4. Step 4: Simplify right side
    203,065.04x = 31,491,592,005.17
  5. Step 5: Solve for x
    x = 31,491,592,005.17/203,065.04
  6. Step 6: Final answer
    x = 155,081.31

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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.