Home / 159,622.74-220,280.94-88,005.60

Finding the Fourth Proportional to 159,622.74, 220,280.94 and 88,005.60

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Solution

The fourth proportional to 159,622.74, 220,280.94 and 88,005.60 is: 121,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,622.74 : 220,280.94 = 88,005.60 : x
  2. Step 2: Convert to fraction form
    159,622.74/220,280.94 = 88,005.60/x
  3. Step 3: Cross multiply
    159,622.74x = 220,280.94 × 88,005.60
  4. Step 4: Simplify right side
    159,622.74x = 19,385,956,293.26
  5. Step 5: Solve for x
    x = 19,385,956,293.26/159,622.74
  6. Step 6: Final answer
    x = 121,448.59

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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.