Home / 198,097.08-297,116.28-64,991.40

Finding the Fourth Proportional to 198,097.08, 297,116.28 and 64,991.40

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Solution

The fourth proportional to 198,097.08, 297,116.28 and 64,991.40 is: 97,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,097.08 : 297,116.28 = 64,991.40 : x
  2. Step 2: Convert to fraction form
    198,097.08/297,116.28 = 64,991.40/x
  3. Step 3: Cross multiply
    198,097.08x = 297,116.28 × 64,991.40
  4. Step 4: Simplify right side
    198,097.08x = 19,310,002,999.99
  5. Step 5: Solve for x
    x = 19,310,002,999.99/198,097.08
  6. Step 6: Final answer
    x = 97,477.47

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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.