Home / 112,983.58-169,374.66-42,912.10

Finding the Fourth Proportional to 112,983.58, 169,374.66 and 42,912.10

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Solution

The fourth proportional to 112,983.58, 169,374.66 and 42,912.10 is: 64,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,983.58 : 169,374.66 = 42,912.10 : x
  2. Step 2: Convert to fraction form
    112,983.58/169,374.66 = 42,912.10/x
  3. Step 3: Cross multiply
    112,983.58x = 169,374.66 × 42,912.10
  4. Step 4: Simplify right side
    112,983.58x = 7,268,222,347.39
  5. Step 5: Solve for x
    x = 7,268,222,347.39/112,983.58
  6. Step 6: Final answer
    x = 64,329.90

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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.