Home / 112,916.95-169,441.05-50,587.45

Finding the Fourth Proportional to 112,916.95, 169,441.05 and 50,587.45

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Solution

The fourth proportional to 112,916.95, 169,441.05 and 50,587.45 is: 75,910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,916.95 : 169,441.05 = 50,587.45 : x
  2. Step 2: Convert to fraction form
    112,916.95/169,441.05 = 50,587.45/x
  3. Step 3: Cross multiply
    112,916.95x = 169,441.05 × 50,587.45
  4. Step 4: Simplify right side
    112,916.95x = 8,571,591,079.47
  5. Step 5: Solve for x
    x = 8,571,591,079.47/112,916.95
  6. Step 6: Final answer
    x = 75,910.58

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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.