Home / 112,876.35-155,738.36-69,835.17

Finding the Fourth Proportional to 112,876.35, 155,738.36 and 69,835.17

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Solution

The fourth proportional to 112,876.35, 155,738.36 and 69,835.17 is: 96,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,876.35 : 155,738.36 = 69,835.17 : x
  2. Step 2: Convert to fraction form
    112,876.35/155,738.36 = 69,835.17/x
  3. Step 3: Cross multiply
    112,876.35x = 155,738.36 × 69,835.17
  4. Step 4: Simplify right side
    112,876.35x = 10,876,014,496.95
  5. Step 5: Solve for x
    x = 10,876,014,496.95/112,876.35
  6. Step 6: Final answer
    x = 96,353.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.