Home / 159,835.15-220,571.42-88,215.17

Finding the Fourth Proportional to 159,835.15, 220,571.42 and 88,215.17

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Solution

The fourth proportional to 159,835.15, 220,571.42 and 88,215.17 is: 121,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,835.15 : 220,571.42 = 88,215.17 : x
  2. Step 2: Convert to fraction form
    159,835.15/220,571.42 = 88,215.17/x
  3. Step 3: Cross multiply
    159,835.15x = 220,571.42 × 88,215.17
  4. Step 4: Simplify right side
    159,835.15x = 19,457,746,125.74
  5. Step 5: Solve for x
    x = 19,457,746,125.74/159,835.15
  6. Step 6: Final answer
    x = 121,736.34

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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.