Home / 198,239.31-297,390.06-65,089.26

Finding the Fourth Proportional to 198,239.31, 297,390.06 and 65,089.26

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Solution

The fourth proportional to 198,239.31, 297,390.06 and 65,089.26 is: 97,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,239.31 : 297,390.06 = 65,089.26 : x
  2. Step 2: Convert to fraction form
    198,239.31/297,390.06 = 65,089.26/x
  3. Step 3: Cross multiply
    198,239.31x = 297,390.06 × 65,089.26
  4. Step 4: Simplify right side
    198,239.31x = 19,356,898,936.76
  5. Step 5: Solve for x
    x = 19,356,898,936.76/198,239.31
  6. Step 6: Final answer
    x = 97,644.10

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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.