Home / 112,955.60-169,600.80-63,135.20

Finding the Fourth Proportional to 112,955.60, 169,600.80 and 63,135.20

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Solution

The fourth proportional to 112,955.60, 169,600.80 and 63,135.20 is: 94,796.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,955.60 : 169,600.80 = 63,135.20 : x
  2. Step 2: Convert to fraction form
    112,955.60/169,600.80 = 63,135.20/x
  3. Step 3: Cross multiply
    112,955.60x = 169,600.80 × 63,135.20
  4. Step 4: Simplify right side
    112,955.60x = 10,707,780,428.16
  5. Step 5: Solve for x
    x = 10,707,780,428.16/112,955.60
  6. Step 6: Final answer
    x = 94,796.37

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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.