Home / 198,340.15-273,641-126,762.07

Finding the Fourth Proportional to 198,340.15, 273,641 and 126,762.07

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Solution

The fourth proportional to 198,340.15, 273,641 and 126,762.07 is: 174,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,340.15 : 273,641 = 126,762.07 : x
  2. Step 2: Convert to fraction form
    198,340.15/273,641 = 126,762.07/x
  3. Step 3: Cross multiply
    198,340.15x = 273,641 × 126,762.07
  4. Step 4: Simplify right side
    198,340.15x = 34,687,299,596.87
  5. Step 5: Solve for x
    x = 34,687,299,596.87/198,340.15
  6. Step 6: Final answer
    x = 174,887.94

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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.