Home / 159,322.24-219,857.08-87,700.76

Finding the Fourth Proportional to 159,322.24, 219,857.08 and 87,700.76

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Solution

The fourth proportional to 159,322.24, 219,857.08 and 87,700.76 is: 121,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,322.24 : 219,857.08 = 87,700.76 : x
  2. Step 2: Convert to fraction form
    159,322.24/219,857.08 = 87,700.76/x
  3. Step 3: Cross multiply
    159,322.24x = 219,857.08 × 87,700.76
  4. Step 4: Simplify right side
    159,322.24x = 19,281,633,007.38
  5. Step 5: Solve for x
    x = 19,281,633,007.38/159,322.24
  6. Step 6: Final answer
    x = 121,022.86

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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.