Home / 203,005.44-304,510.40-90,691.36

Finding the Fourth Proportional to 203,005.44, 304,510.40 and 90,691.36

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Solution

The fourth proportional to 203,005.44, 304,510.40 and 90,691.36 is: 136,038.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,005.44 : 304,510.40 = 90,691.36 : x
  2. Step 2: Convert to fraction form
    203,005.44/304,510.40 = 90,691.36/x
  3. Step 3: Cross multiply
    203,005.44x = 304,510.40 × 90,691.36
  4. Step 4: Simplify right side
    203,005.44x = 27,616,462,310.14
  5. Step 5: Solve for x
    x = 27,616,462,310.14/203,005.44
  6. Step 6: Final answer
    x = 136,038.04

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1.5x scale

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.