Home / 112,912.86-169,377.66-38,032.68

Finding the Fourth Proportional to 112,912.86, 169,377.66 and 38,032.68

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Solution

The fourth proportional to 112,912.86, 169,377.66 and 38,032.68 is: 57,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,912.86 : 169,377.66 = 38,032.68 : x
  2. Step 2: Convert to fraction form
    112,912.86/169,377.66 = 38,032.68/x
  3. Step 3: Cross multiply
    112,912.86x = 169,377.66 × 38,032.68
  4. Step 4: Simplify right side
    112,912.86x = 6,441,886,341.93
  5. Step 5: Solve for x
    x = 6,441,886,341.93/112,912.86
  6. Step 6: Final answer
    x = 57,051.84

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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.