Home / 115,466.20-172,907.70-110,217.40

Finding the Fourth Proportional to 115,466.20, 172,907.70 and 110,217.40

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Solution

The fourth proportional to 115,466.20, 172,907.70 and 110,217.40 is: 165,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,466.20 : 172,907.70 = 110,217.40 : x
  2. Step 2: Convert to fraction form
    115,466.20/172,907.70 = 110,217.40/x
  3. Step 3: Cross multiply
    115,466.20x = 172,907.70 × 110,217.40
  4. Step 4: Simplify right side
    115,466.20x = 19,057,437,133.98
  5. Step 5: Solve for x
    x = 19,057,437,133.98/115,466.20
  6. Step 6: Final answer
    x = 165,047.76

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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.