Home / 79,445.82-119,155.56-26,138.46

Finding the Fourth Proportional to 79,445.82, 119,155.56 and 26,138.46

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Solution

The fourth proportional to 79,445.82, 119,155.56 and 26,138.46 is: 39,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,445.82 : 119,155.56 = 26,138.46 : x
  2. Step 2: Convert to fraction form
    79,445.82/119,155.56 = 26,138.46/x
  3. Step 3: Cross multiply
    79,445.82x = 119,155.56 × 26,138.46
  4. Step 4: Simplify right side
    79,445.82x = 3,114,542,838.84
  5. Step 5: Solve for x
    x = 3,114,542,838.84/79,445.82
  6. Step 6: Final answer
    x = 39,203.36

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1.5x scale

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.