Home / 159,532.07-220,155.74-87,914.66

Finding the Fourth Proportional to 159,532.07, 220,155.74 and 87,914.66

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Solution

The fourth proportional to 159,532.07, 220,155.74 and 87,914.66 is: 121,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,532.07 : 220,155.74 = 87,914.66 : x
  2. Step 2: Convert to fraction form
    159,532.07/220,155.74 = 87,914.66/x
  3. Step 3: Cross multiply
    159,532.07x = 220,155.74 × 87,914.66
  4. Step 4: Simplify right side
    159,532.07x = 19,354,916,039.19
  5. Step 5: Solve for x
    x = 19,354,916,039.19/159,532.07
  6. Step 6: Final answer
    x = 121,323.04

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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.