Home / 240,197.90-331,439.22-136,834.81

Finding the Fourth Proportional to 240,197.90, 331,439.22 and 136,834.81

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Solution

The fourth proportional to 240,197.90, 331,439.22 and 136,834.81 is: 188,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,197.90 : 331,439.22 = 136,834.81 : x
  2. Step 2: Convert to fraction form
    240,197.90/331,439.22 = 136,834.81/x
  3. Step 3: Cross multiply
    240,197.90x = 331,439.22 × 136,834.81
  4. Step 4: Simplify right side
    240,197.90x = 45,352,421,866.65
  5. Step 5: Solve for x
    x = 45,352,421,866.65/240,197.90
  6. Step 6: Final answer
    x = 188,812.74

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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.