Home / 145,108.20-217,662.30-110,116.20

Finding the Fourth Proportional to 145,108.20, 217,662.30 and 110,116.20

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Solution

The fourth proportional to 145,108.20, 217,662.30 and 110,116.20 is: 165,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,108.20 : 217,662.30 = 110,116.20 : x
  2. Step 2: Convert to fraction form
    145,108.20/217,662.30 = 110,116.20/x
  3. Step 3: Cross multiply
    145,108.20x = 217,662.30 × 110,116.20
  4. Step 4: Simplify right side
    145,108.20x = 23,968,145,359.26
  5. Step 5: Solve for x
    x = 23,968,145,359.26/145,108.20
  6. Step 6: Final answer
    x = 165,174.30

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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.