Home / 158,735.52-219,056.67-87,120.18

Finding the Fourth Proportional to 158,735.52, 219,056.67 and 87,120.18

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Solution

The fourth proportional to 158,735.52, 219,056.67 and 87,120.18 is: 120,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,735.52 : 219,056.67 = 87,120.18 : x
  2. Step 2: Convert to fraction form
    158,735.52/219,056.67 = 87,120.18/x
  3. Step 3: Cross multiply
    158,735.52x = 219,056.67 × 87,120.18
  4. Step 4: Simplify right side
    158,735.52x = 19,084,256,520.60
  5. Step 5: Solve for x
    x = 19,084,256,520.60/158,735.52
  6. Step 6: Final answer
    x = 120,226.76

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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.