Home / 198,111.42-297,167.31-70,122.90

Finding the Fourth Proportional to 198,111.42, 297,167.31 and 70,122.90

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Solution

The fourth proportional to 198,111.42, 297,167.31 and 70,122.90 is: 105,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,111.42 : 297,167.31 = 70,122.90 : x
  2. Step 2: Convert to fraction form
    198,111.42/297,167.31 = 70,122.90/x
  3. Step 3: Cross multiply
    198,111.42x = 297,167.31 × 70,122.90
  4. Step 4: Simplify right side
    198,111.42x = 20,838,233,562.40
  5. Step 5: Solve for x
    x = 20,838,233,562.40/198,111.42
  6. Step 6: Final answer
    x = 105,184.41

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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.