Home / 165,087.90-247,413.15-146,279.70

Finding the Fourth Proportional to 165,087.90, 247,413.15 and 146,279.70

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Solution

The fourth proportional to 165,087.90, 247,413.15 and 146,279.70 is: 219,225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,087.90 : 247,413.15 = 146,279.70 : x
  2. Step 2: Convert to fraction form
    165,087.90/247,413.15 = 146,279.70/x
  3. Step 3: Cross multiply
    165,087.90x = 247,413.15 × 146,279.70
  4. Step 4: Simplify right side
    165,087.90x = 36,191,521,358.06
  5. Step 5: Solve for x
    x = 36,191,521,358.06/165,087.90
  6. Step 6: Final answer
    x = 219,225.77

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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.