Home / 158,161.40-237,165.30-87,966.20

Finding the Fourth Proportional to 158,161.40, 237,165.30 and 87,966.20

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Solution

The fourth proportional to 158,161.40, 237,165.30 and 87,966.20 is: 131,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,161.40 : 237,165.30 = 87,966.20 : x
  2. Step 2: Convert to fraction form
    158,161.40/237,165.30 = 87,966.20/x
  3. Step 3: Cross multiply
    158,161.40x = 237,165.30 × 87,966.20
  4. Step 4: Simplify right side
    158,161.40x = 20,862,530,212.86
  5. Step 5: Solve for x
    x = 20,862,530,212.86/158,161.40
  6. Step 6: Final answer
    x = 131,906.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.