Home / 136,271.66-204,416.12-42,781.10

Finding the Fourth Proportional to 136,271.66, 204,416.12 and 42,781.10

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Solution

The fourth proportional to 136,271.66, 204,416.12 and 42,781.10 is: 64,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,271.66 : 204,416.12 = 42,781.10 : x
  2. Step 2: Convert to fraction form
    136,271.66/204,416.12 = 42,781.10/x
  3. Step 3: Cross multiply
    136,271.66x = 204,416.12 × 42,781.10
  4. Step 4: Simplify right side
    136,271.66x = 8,745,145,556.20
  5. Step 5: Solve for x
    x = 8,745,145,556.20/136,271.66
  6. Step 6: Final answer
    x = 64,174.35

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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.