Home / 198,468.24-297,592.80-103,461.36

Finding the Fourth Proportional to 198,468.24, 297,592.80 and 103,461.36

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Solution

The fourth proportional to 198,468.24, 297,592.80 and 103,461.36 is: 155,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,468.24 : 297,592.80 = 103,461.36 : x
  2. Step 2: Convert to fraction form
    198,468.24/297,592.80 = 103,461.36/x
  3. Step 3: Cross multiply
    198,468.24x = 297,592.80 × 103,461.36
  4. Step 4: Simplify right side
    198,468.24x = 30,789,355,814.21
  5. Step 5: Solve for x
    x = 30,789,355,814.21/198,468.24
  6. Step 6: Final answer
    x = 155,134.93

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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.