Home / 198,030.05-273,280.93-107,385.74

Finding the Fourth Proportional to 198,030.05, 273,280.93 and 107,385.74

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Solution

The fourth proportional to 198,030.05, 273,280.93 and 107,385.74 is: 148,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,030.05 : 273,280.93 = 107,385.74 : x
  2. Step 2: Convert to fraction form
    198,030.05/273,280.93 = 107,385.74/x
  3. Step 3: Cross multiply
    198,030.05x = 273,280.93 × 107,385.74
  4. Step 4: Simplify right side
    198,030.05x = 29,346,474,895.94
  5. Step 5: Solve for x
    x = 29,346,474,895.94/198,030.05
  6. Step 6: Final answer
    x = 148,192.03

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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.