Home / 159,831.82-220,569.44-88,210.30

Finding the Fourth Proportional to 159,831.82, 220,569.44 and 88,210.30

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Solution

The fourth proportional to 159,831.82, 220,569.44 and 88,210.30 is: 121,731.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,831.82 : 220,569.44 = 88,210.30 : x
  2. Step 2: Convert to fraction form
    159,831.82/220,569.44 = 88,210.30/x
  3. Step 3: Cross multiply
    159,831.82x = 220,569.44 × 88,210.30
  4. Step 4: Simplify right side
    159,831.82x = 19,456,496,473.23
  5. Step 5: Solve for x
    x = 19,456,496,473.23/159,831.82
  6. Step 6: Final answer
    x = 121,731.06

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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.