Home / 148,636.98-205,119.18-84,976.16

Finding the Fourth Proportional to 148,636.98, 205,119.18 and 84,976.16

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Solution

The fourth proportional to 148,636.98, 205,119.18 and 84,976.16 is: 117,267.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,636.98 : 205,119.18 = 84,976.16 : x
  2. Step 2: Convert to fraction form
    148,636.98/205,119.18 = 84,976.16/x
  3. Step 3: Cross multiply
    148,636.98x = 205,119.18 × 84,976.16
  4. Step 4: Simplify right side
    148,636.98x = 17,430,239,233.15
  5. Step 5: Solve for x
    x = 17,430,239,233.15/148,636.98
  6. Step 6: Final answer
    x = 117,267.18

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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.