Home / 198,140.07-297,227.40-55,986.84

Finding the Fourth Proportional to 198,140.07, 297,227.40 and 55,986.84

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Solution

The fourth proportional to 198,140.07, 297,227.40 and 55,986.84 is: 83,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,140.07 : 297,227.40 = 55,986.84 : x
  2. Step 2: Convert to fraction form
    198,140.07/297,227.40 = 55,986.84/x
  3. Step 3: Cross multiply
    198,140.07x = 297,227.40 × 55,986.84
  4. Step 4: Simplify right side
    198,140.07x = 16,640,822,887.42
  5. Step 5: Solve for x
    x = 16,640,822,887.42/198,140.07
  6. Step 6: Final answer
    x = 83,985.15

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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.