Home / 159,564.03-220,199.90-87,946.80

Finding the Fourth Proportional to 159,564.03, 220,199.90 and 87,946.80

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Solution

The fourth proportional to 159,564.03, 220,199.90 and 87,946.80 is: 121,367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,564.03 : 220,199.90 = 87,946.80 : x
  2. Step 2: Convert to fraction form
    159,564.03/220,199.90 = 87,946.80/x
  3. Step 3: Cross multiply
    159,564.03x = 220,199.90 × 87,946.80
  4. Step 4: Simplify right side
    159,564.03x = 19,365,876,125.59
  5. Step 5: Solve for x
    x = 19,365,876,125.59/159,564.03
  6. Step 6: Final answer
    x = 121,367.43

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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.