Home / 156,455.64-216,087-106,067.16

Finding the Fourth Proportional to 156,455.64, 216,087 and 106,067.16

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Solution

The fourth proportional to 156,455.64, 216,087 and 106,067.16 is: 146,493.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,455.64 : 216,087 = 106,067.16 : x
  2. Step 2: Convert to fraction form
    156,455.64/216,087 = 106,067.16/x
  3. Step 3: Cross multiply
    156,455.64x = 216,087 × 106,067.16
  4. Step 4: Simplify right side
    156,455.64x = 22,919,734,402.92
  5. Step 5: Solve for x
    x = 22,919,734,402.92/156,455.64
  6. Step 6: Final answer
    x = 146,493.50

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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.