Home / 148,663.22-222,875.88-77,550.18

Finding the Fourth Proportional to 148,663.22, 222,875.88 and 77,550.18

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Solution

The fourth proportional to 148,663.22, 222,875.88 and 77,550.18 is: 116,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,663.22 : 222,875.88 = 77,550.18 : x
  2. Step 2: Convert to fraction form
    148,663.22/222,875.88 = 77,550.18/x
  3. Step 3: Cross multiply
    148,663.22x = 222,875.88 × 77,550.18
  4. Step 4: Simplify right side
    148,663.22x = 17,284,064,611.66
  5. Step 5: Solve for x
    x = 17,284,064,611.66/148,663.22
  6. Step 6: Final answer
    x = 116,263.22

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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.