Home / 150,150.48-207,377.73-102,320.79

Finding the Fourth Proportional to 150,150.48, 207,377.73 and 102,320.79

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Solution

The fourth proportional to 150,150.48, 207,377.73 and 102,320.79 is: 141,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,150.48 : 207,377.73 = 102,320.79 : x
  2. Step 2: Convert to fraction form
    150,150.48/207,377.73 = 102,320.79/x
  3. Step 3: Cross multiply
    150,150.48x = 207,377.73 × 102,320.79
  4. Step 4: Simplify right side
    150,150.48x = 21,219,053,162.01
  5. Step 5: Solve for x
    x = 21,219,053,162.01/150,150.48
  6. Step 6: Final answer
    x = 141,318.58

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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.