Home / 159,064.36-219,513.00-87,446.18

Finding the Fourth Proportional to 159,064.36, 219,513.00 and 87,446.18

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Solution

The fourth proportional to 159,064.36, 219,513.00 and 87,446.18 is: 120,678.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,064.36 : 219,513.00 = 87,446.18 : x
  2. Step 2: Convert to fraction form
    159,064.36/219,513.00 = 87,446.18/x
  3. Step 3: Cross multiply
    159,064.36x = 219,513.00 × 87,446.18
  4. Step 4: Simplify right side
    159,064.36x = 19,195,574,187.05
  5. Step 5: Solve for x
    x = 19,195,574,187.05/159,064.36
  6. Step 6: Final answer
    x = 120,678.04

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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.