Home / 150,883.50-208,196.04-87,208.98

Finding the Fourth Proportional to 150,883.50, 208,196.04 and 87,208.98

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Solution

The fourth proportional to 150,883.50, 208,196.04 and 87,208.98 is: 120,334.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,883.50 : 208,196.04 = 87,208.98 : x
  2. Step 2: Convert to fraction form
    150,883.50/208,196.04 = 87,208.98/x
  3. Step 3: Cross multiply
    150,883.50x = 208,196.04 × 87,208.98
  4. Step 4: Simplify right side
    150,883.50x = 18,156,564,288.44
  5. Step 5: Solve for x
    x = 18,156,564,288.44/150,883.50
  6. Step 6: Final answer
    x = 120,334.99

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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.