Home / 150,864.76-208,230.78-87,193.36

Finding the Fourth Proportional to 150,864.76, 208,230.78 and 87,193.36

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Solution

The fourth proportional to 150,864.76, 208,230.78 and 87,193.36 is: 120,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,864.76 : 208,230.78 = 87,193.36 : x
  2. Step 2: Convert to fraction form
    150,864.76/208,230.78 = 87,193.36/x
  3. Step 3: Cross multiply
    150,864.76x = 208,230.78 × 87,193.36
  4. Step 4: Simplify right side
    150,864.76x = 18,156,341,363.62
  5. Step 5: Solve for x
    x = 18,156,341,363.62/150,864.76
  6. Step 6: Final answer
    x = 120,348.46

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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.