Home / 132,603.45-198,923.50-42,648.71

Finding the Fourth Proportional to 132,603.45, 198,923.50 and 42,648.71

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Solution

The fourth proportional to 132,603.45, 198,923.50 and 42,648.71 is: 63,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,603.45 : 198,923.50 = 42,648.71 : x
  2. Step 2: Convert to fraction form
    132,603.45/198,923.50 = 42,648.71/x
  3. Step 3: Cross multiply
    132,603.45x = 198,923.50 × 42,648.71
  4. Step 4: Simplify right side
    132,603.45x = 8,483,829,722.38
  5. Step 5: Solve for x
    x = 8,483,829,722.38/132,603.45
  6. Step 6: Final answer
    x = 63,978.95

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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.