Home / 194,139.12-291,228.56-74,296.88

Finding the Fourth Proportional to 194,139.12, 291,228.56 and 74,296.88

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Solution

The fourth proportional to 194,139.12, 291,228.56 and 74,296.88 is: 111,452.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,139.12 : 291,228.56 = 74,296.88 : x
  2. Step 2: Convert to fraction form
    194,139.12/291,228.56 = 74,296.88/x
  3. Step 3: Cross multiply
    194,139.12x = 291,228.56 × 74,296.88
  4. Step 4: Simplify right side
    194,139.12x = 21,637,371,918.75
  5. Step 5: Solve for x
    x = 21,637,371,918.75/194,139.12
  6. Step 6: Final answer
    x = 111,452.92

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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.