Home / 148,573.32-222,918.32-65,409

Finding the Fourth Proportional to 148,573.32, 222,918.32 and 65,409

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Solution

The fourth proportional to 148,573.32, 222,918.32 and 65,409 is: 98,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,573.32 : 222,918.32 = 65,409 : x
  2. Step 2: Convert to fraction form
    148,573.32/222,918.32 = 65,409/x
  3. Step 3: Cross multiply
    148,573.32x = 222,918.32 × 65,409
  4. Step 4: Simplify right side
    148,573.32x = 14,580,864,392.88
  5. Step 5: Solve for x
    x = 14,580,864,392.88/148,573.32
  6. Step 6: Final answer
    x = 98,139.18

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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.