Home / 110,142.20-165,098.10-60,145.40

Finding the Fourth Proportional to 110,142.20, 165,098.10 and 60,145.40

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Solution

The fourth proportional to 110,142.20, 165,098.10 and 60,145.40 is: 90,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,142.20 : 165,098.10 = 60,145.40 : x
  2. Step 2: Convert to fraction form
    110,142.20/165,098.10 = 60,145.40/x
  3. Step 3: Cross multiply
    110,142.20x = 165,098.10 × 60,145.40
  4. Step 4: Simplify right side
    110,142.20x = 9,929,891,263.74
  5. Step 5: Solve for x
    x = 9,929,891,263.74/110,142.20
  6. Step 6: Final answer
    x = 90,155.19

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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.