Home / 198,130.83-297,205.66-63,209.23

Finding the Fourth Proportional to 198,130.83, 297,205.66 and 63,209.23

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Solution

The fourth proportional to 198,130.83, 297,205.66 and 63,209.23 is: 94,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,130.83 : 297,205.66 = 63,209.23 : x
  2. Step 2: Convert to fraction form
    198,130.83/297,205.66 = 63,209.23/x
  3. Step 3: Cross multiply
    198,130.83x = 297,205.66 × 63,209.23
  4. Step 4: Simplify right side
    198,130.83x = 18,786,139,900.69
  5. Step 5: Solve for x
    x = 18,786,139,900.69/198,130.83
  6. Step 6: Final answer
    x = 94,816.85

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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.