Home / 74,750.18-112,177.82-67,603.75

Finding the Fourth Proportional to 74,750.18, 112,177.82 and 67,603.75

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Solution

The fourth proportional to 74,750.18, 112,177.82 and 67,603.75 is: 101,453.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,750.18 : 112,177.82 = 67,603.75 : x
  2. Step 2: Convert to fraction form
    74,750.18/112,177.82 = 67,603.75/x
  3. Step 3: Cross multiply
    74,750.18x = 112,177.82 × 67,603.75
  4. Step 4: Simplify right side
    74,750.18x = 7,583,641,187.39
  5. Step 5: Solve for x
    x = 7,583,641,187.39/74,750.18
  6. Step 6: Final answer
    x = 101,453.16

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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.