Home / 259,519.70-358,141.85-152,120.18

Finding the Fourth Proportional to 259,519.70, 358,141.85 and 152,120.18

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Solution

The fourth proportional to 259,519.70, 358,141.85 and 152,120.18 is: 209,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,519.70 : 358,141.85 = 152,120.18 : x
  2. Step 2: Convert to fraction form
    259,519.70/358,141.85 = 152,120.18/x
  3. Step 3: Cross multiply
    259,519.70x = 358,141.85 × 152,120.18
  4. Step 4: Simplify right side
    259,519.70x = 54,480,600,136.22
  5. Step 5: Solve for x
    x = 54,480,600,136.22/259,519.70
  6. Step 6: Final answer
    x = 209,928.58

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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.