Home / 198,607.05-274,050.68-118,005.21

Finding the Fourth Proportional to 198,607.05, 274,050.68 and 118,005.21

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Solution

The fourth proportional to 198,607.05, 274,050.68 and 118,005.21 is: 162,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,607.05 : 274,050.68 = 118,005.21 : x
  2. Step 2: Convert to fraction form
    198,607.05/274,050.68 = 118,005.21/x
  3. Step 3: Cross multiply
    198,607.05x = 274,050.68 × 118,005.21
  4. Step 4: Simplify right side
    198,607.05x = 32,339,407,454.02
  5. Step 5: Solve for x
    x = 32,339,407,454.02/198,607.05
  6. Step 6: Final answer
    x = 162,831.12

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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.