Home / 115,427.70-173,141.55-76,029.30

Finding the Fourth Proportional to 115,427.70, 173,141.55 and 76,029.30

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Solution

The fourth proportional to 115,427.70, 173,141.55 and 76,029.30 is: 114,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,427.70 : 173,141.55 = 76,029.30 : x
  2. Step 2: Convert to fraction form
    115,427.70/173,141.55 = 76,029.30/x
  3. Step 3: Cross multiply
    115,427.70x = 173,141.55 × 76,029.30
  4. Step 4: Simplify right side
    115,427.70x = 13,163,830,847.42
  5. Step 5: Solve for x
    x = 13,163,830,847.42/115,427.70
  6. Step 6: Final answer
    x = 114,043.95

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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.