Home / 150,877.44-208,216.32-87,235.20

Finding the Fourth Proportional to 150,877.44, 208,216.32 and 87,235.20

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Solution

The fourth proportional to 150,877.44, 208,216.32 and 87,235.20 is: 120,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,877.44 : 208,216.32 = 87,235.20 : x
  2. Step 2: Convert to fraction form
    150,877.44/208,216.32 = 87,235.20/x
  3. Step 3: Cross multiply
    150,877.44x = 208,216.32 × 87,235.20
  4. Step 4: Simplify right side
    150,877.44x = 18,163,792,318.46
  5. Step 5: Solve for x
    x = 18,163,792,318.46/150,877.44
  6. Step 6: Final answer
    x = 120,387.73

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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.