Home / 159,324.16-219,873.18-87,707.20

Finding the Fourth Proportional to 159,324.16, 219,873.18 and 87,707.20

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Solution

The fourth proportional to 159,324.16, 219,873.18 and 87,707.20 is: 121,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,324.16 : 219,873.18 = 87,707.20 : x
  2. Step 2: Convert to fraction form
    159,324.16/219,873.18 = 87,707.20/x
  3. Step 3: Cross multiply
    159,324.16x = 219,873.18 × 87,707.20
  4. Step 4: Simplify right side
    159,324.16x = 19,284,460,972.90
  5. Step 5: Solve for x
    x = 19,284,460,972.90/159,324.16
  6. Step 6: Final answer
    x = 121,039.15

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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.