Home / 159,088.81-219,511.06-89,240.33

Finding the Fourth Proportional to 159,088.81, 219,511.06 and 89,240.33

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Solution

The fourth proportional to 159,088.81, 219,511.06 and 89,240.33 is: 123,133.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,088.81 : 219,511.06 = 89,240.33 : x
  2. Step 2: Convert to fraction form
    159,088.81/219,511.06 = 89,240.33/x
  3. Step 3: Cross multiply
    159,088.81x = 219,511.06 × 89,240.33
  4. Step 4: Simplify right side
    159,088.81x = 19,589,240,260.70
  5. Step 5: Solve for x
    x = 19,589,240,260.70/159,088.81
  6. Step 6: Final answer
    x = 123,133.99

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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.