Home / 198,120.94-297,119.04-64,970.25

Finding the Fourth Proportional to 198,120.94, 297,119.04 and 64,970.25

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Solution

The fourth proportional to 198,120.94, 297,119.04 and 64,970.25 is: 97,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,120.94 : 297,119.04 = 64,970.25 : x
  2. Step 2: Convert to fraction form
    198,120.94/297,119.04 = 64,970.25/x
  3. Step 3: Cross multiply
    198,120.94x = 297,119.04 × 64,970.25
  4. Step 4: Simplify right side
    198,120.94x = 19,303,898,622.02
  5. Step 5: Solve for x
    x = 19,303,898,622.02/198,120.94
  6. Step 6: Final answer
    x = 97,434.92

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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.