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Finding the Fourth Proportional to 250,085.98, 345,118.67 and 136,908.73

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Solution

The fourth proportional to 250,085.98, 345,118.67 and 136,908.73 is: 188,934.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,085.98 : 345,118.67 = 136,908.73 : x
  2. Step 2: Convert to fraction form
    250,085.98/345,118.67 = 136,908.73/x
  3. Step 3: Cross multiply
    250,085.98x = 345,118.67 × 136,908.73
  4. Step 4: Simplify right side
    250,085.98x = 47,249,758,808.99
  5. Step 5: Solve for x
    x = 47,249,758,808.99/250,085.98
  6. Step 6: Final answer
    x = 188,934.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.