Home / 112,289.89-154,945.34-66,973.19

Finding the Fourth Proportional to 112,289.89, 154,945.34 and 66,973.19

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Solution

The fourth proportional to 112,289.89, 154,945.34 and 66,973.19 is: 92,414.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,289.89 : 154,945.34 = 66,973.19 : x
  2. Step 2: Convert to fraction form
    112,289.89/154,945.34 = 66,973.19/x
  3. Step 3: Cross multiply
    112,289.89x = 154,945.34 × 66,973.19
  4. Step 4: Simplify right side
    112,289.89x = 10,377,184,250.23
  5. Step 5: Solve for x
    x = 10,377,184,250.23/112,289.89
  6. Step 6: Final answer
    x = 92,414.23

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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.