Home / 127,338.85-175,730.76-69,977.74

Finding the Fourth Proportional to 127,338.85, 175,730.76 and 69,977.74

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Solution

The fourth proportional to 127,338.85, 175,730.76 and 69,977.74 is: 96,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,338.85 : 175,730.76 = 69,977.74 : x
  2. Step 2: Convert to fraction form
    127,338.85/175,730.76 = 69,977.74/x
  3. Step 3: Cross multiply
    127,338.85x = 175,730.76 × 69,977.74
  4. Step 4: Simplify right side
    127,338.85x = 12,297,241,433.28
  5. Step 5: Solve for x
    x = 12,297,241,433.28/127,338.85
  6. Step 6: Final answer
    x = 96,571.01

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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.