Home / 198,180.84-297,417.06-131,598.84

Finding the Fourth Proportional to 198,180.84, 297,417.06 and 131,598.84

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Solution

The fourth proportional to 198,180.84, 297,417.06 and 131,598.84 is: 197,495.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,180.84 : 297,417.06 = 131,598.84 : x
  2. Step 2: Convert to fraction form
    198,180.84/297,417.06 = 131,598.84/x
  3. Step 3: Cross multiply
    198,180.84x = 297,417.06 × 131,598.84
  4. Step 4: Simplify right side
    198,180.84x = 39,139,740,092.21
  5. Step 5: Solve for x
    x = 39,139,740,092.21/198,180.84
  6. Step 6: Final answer
    x = 197,495.08

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1.5x scale

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.