Home / 112,999.20-169,527.32-52,180.16

Finding the Fourth Proportional to 112,999.20, 169,527.32 and 52,180.16

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Solution

The fourth proportional to 112,999.20, 169,527.32 and 52,180.16 is: 78,283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,999.20 : 169,527.32 = 52,180.16 : x
  2. Step 2: Convert to fraction form
    112,999.20/169,527.32 = 52,180.16/x
  3. Step 3: Cross multiply
    112,999.20x = 169,527.32 × 52,180.16
  4. Step 4: Simplify right side
    112,999.20x = 8,845,962,681.97
  5. Step 5: Solve for x
    x = 8,845,962,681.97/112,999.20
  6. Step 6: Final answer
    x = 78,283.41

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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.