Home / 112,106.33-154,712.87-64,362.75

Finding the Fourth Proportional to 112,106.33, 154,712.87 and 64,362.75

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Solution

The fourth proportional to 112,106.33, 154,712.87 and 64,362.75 is: 88,824.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,106.33 : 154,712.87 = 64,362.75 : x
  2. Step 2: Convert to fraction form
    112,106.33/154,712.87 = 64,362.75/x
  3. Step 3: Cross multiply
    112,106.33x = 154,712.87 × 64,362.75
  4. Step 4: Simplify right side
    112,106.33x = 9,957,745,983.23
  5. Step 5: Solve for x
    x = 9,957,745,983.23/112,106.33
  6. Step 6: Final answer
    x = 88,824.12

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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.