Home / 98,830.54-148,273.52-39,707.72

Finding the Fourth Proportional to 98,830.54, 148,273.52 and 39,707.72

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Solution

The fourth proportional to 98,830.54, 148,273.52 and 39,707.72 is: 59,572.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,830.54 : 148,273.52 = 39,707.72 : x
  2. Step 2: Convert to fraction form
    98,830.54/148,273.52 = 39,707.72/x
  3. Step 3: Cross multiply
    98,830.54x = 148,273.52 × 39,707.72
  4. Step 4: Simplify right side
    98,830.54x = 5,887,603,415.57
  5. Step 5: Solve for x
    x = 5,887,603,415.57/98,830.54
  6. Step 6: Final answer
    x = 59,572.71

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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.