Home / 150,863.76-208,229.40-87,192.36

Finding the Fourth Proportional to 150,863.76, 208,229.40 and 87,192.36

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Solution

The fourth proportional to 150,863.76, 208,229.40 and 87,192.36 is: 120,347.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,863.76 : 208,229.40 = 87,192.36 : x
  2. Step 2: Convert to fraction form
    150,863.76/208,229.40 = 87,192.36/x
  3. Step 3: Cross multiply
    150,863.76x = 208,229.40 × 87,192.36
  4. Step 4: Simplify right side
    150,863.76x = 18,156,012,807.38
  5. Step 5: Solve for x
    x = 18,156,012,807.38/150,863.76
  6. Step 6: Final answer
    x = 120,347.08

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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.