Home / 145,067.40-217,601.10-45,226.80

Finding the Fourth Proportional to 145,067.40, 217,601.10 and 45,226.80

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Solution

The fourth proportional to 145,067.40, 217,601.10 and 45,226.80 is: 67,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,067.40 : 217,601.10 = 45,226.80 : x
  2. Step 2: Convert to fraction form
    145,067.40/217,601.10 = 45,226.80/x
  3. Step 3: Cross multiply
    145,067.40x = 217,601.10 × 45,226.80
  4. Step 4: Simplify right side
    145,067.40x = 9,841,401,429.48
  5. Step 5: Solve for x
    x = 9,841,401,429.48/145,067.40
  6. Step 6: Final answer
    x = 67,840.20

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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.