Home / 140,729.74-211,095.69-40,896.70

Finding the Fourth Proportional to 140,729.74, 211,095.69 and 40,896.70

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Solution

The fourth proportional to 140,729.74, 211,095.69 and 40,896.70 is: 61,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,729.74 : 211,095.69 = 40,896.70 : x
  2. Step 2: Convert to fraction form
    140,729.74/211,095.69 = 40,896.70/x
  3. Step 3: Cross multiply
    140,729.74x = 211,095.69 × 40,896.70
  4. Step 4: Simplify right side
    140,729.74x = 8,633,117,105.22
  5. Step 5: Solve for x
    x = 8,633,117,105.22/140,729.74
  6. Step 6: Final answer
    x = 61,345.36

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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.