Home / 159,046.92-219,480.36-87,417.18

Finding the Fourth Proportional to 159,046.92, 219,480.36 and 87,417.18

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Solution

The fourth proportional to 159,046.92, 219,480.36 and 87,417.18 is: 120,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,046.92 : 219,480.36 = 87,417.18 : x
  2. Step 2: Convert to fraction form
    159,046.92/219,480.36 = 87,417.18/x
  3. Step 3: Cross multiply
    159,046.92x = 219,480.36 × 87,417.18
  4. Step 4: Simplify right side
    159,046.92x = 19,186,354,136.58
  5. Step 5: Solve for x
    x = 19,186,354,136.58/159,046.92
  6. Step 6: Final answer
    x = 120,633.30

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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.