Home / 194,815.30-292,338.15-142,092.10

Finding the Fourth Proportional to 194,815.30, 292,338.15 and 142,092.10

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Solution

The fourth proportional to 194,815.30, 292,338.15 and 142,092.10 is: 213,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,815.30 : 292,338.15 = 142,092.10 : x
  2. Step 2: Convert to fraction form
    194,815.30/292,338.15 = 142,092.10/x
  3. Step 3: Cross multiply
    194,815.30x = 292,338.15 × 142,092.10
  4. Step 4: Simplify right side
    194,815.30x = 41,538,941,643.62
  5. Step 5: Solve for x
    x = 41,538,941,643.62/194,815.30
  6. Step 6: Final answer
    x = 213,222.17

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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.