Home / 150,804.70-208,063.82-87,119.26

Finding the Fourth Proportional to 150,804.70, 208,063.82 and 87,119.26

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Solution

The fourth proportional to 150,804.70, 208,063.82 and 87,119.26 is: 120,197.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,804.70 : 208,063.82 = 87,119.26 : x
  2. Step 2: Convert to fraction form
    150,804.70/208,063.82 = 87,119.26/x
  3. Step 3: Cross multiply
    150,804.70x = 208,063.82 × 87,119.26
  4. Step 4: Simplify right side
    150,804.70x = 18,126,366,031.17
  5. Step 5: Solve for x
    x = 18,126,366,031.17/150,804.70
  6. Step 6: Final answer
    x = 120,197.62

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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.