Home / 159,008.23-219,437.13-87,393.70

Finding the Fourth Proportional to 159,008.23, 219,437.13 and 87,393.70

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Solution

The fourth proportional to 159,008.23, 219,437.13 and 87,393.70 is: 120,606.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,008.23 : 219,437.13 = 87,393.70 : x
  2. Step 2: Convert to fraction form
    159,008.23/219,437.13 = 87,393.70/x
  3. Step 3: Cross multiply
    159,008.23x = 219,437.13 × 87,393.70
  4. Step 4: Simplify right side
    159,008.23x = 19,177,422,708.08
  5. Step 5: Solve for x
    x = 19,177,422,708.08/159,008.23
  6. Step 6: Final answer
    x = 120,606.48

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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.