Home / 198,457.95-273,870.87-107,813.19

Finding the Fourth Proportional to 198,457.95, 273,870.87 and 107,813.19

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Solution

The fourth proportional to 198,457.95, 273,870.87 and 107,813.19 is: 148,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,457.95 : 273,870.87 = 107,813.19 : x
  2. Step 2: Convert to fraction form
    198,457.95/273,870.87 = 107,813.19/x
  3. Step 3: Cross multiply
    198,457.95x = 273,870.87 × 107,813.19
  4. Step 4: Simplify right side
    198,457.95x = 29,526,892,142.78
  5. Step 5: Solve for x
    x = 29,526,892,142.78/198,457.95
  6. Step 6: Final answer
    x = 148,781.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.