Home / 112,309.22-154,930.79-66,955.25

Finding the Fourth Proportional to 112,309.22, 154,930.79 and 66,955.25

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Solution

The fourth proportional to 112,309.22, 154,930.79 and 66,955.25 is: 92,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,309.22 : 154,930.79 = 66,955.25 : x
  2. Step 2: Convert to fraction form
    112,309.22/154,930.79 = 66,955.25/x
  3. Step 3: Cross multiply
    112,309.22x = 154,930.79 × 66,955.25
  4. Step 4: Simplify right side
    112,309.22x = 10,373,430,331.86
  5. Step 5: Solve for x
    x = 10,373,430,331.86/112,309.22
  6. Step 6: Final answer
    x = 92,364.90

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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.