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Finding the Fourth Proportional to 159,742.00, 220,440.42 and 88,122.01

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Solution

The fourth proportional to 159,742.00, 220,440.42 and 88,122.01 is: 121,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,742.00 : 220,440.42 = 88,122.01 : x
  2. Step 2: Convert to fraction form
    159,742.00/220,440.42 = 88,122.01/x
  3. Step 3: Cross multiply
    159,742.00x = 220,440.42 × 88,122.01
  4. Step 4: Simplify right side
    159,742.00x = 19,425,651,600.76
  5. Step 5: Solve for x
    x = 19,425,651,600.76/159,742.00
  6. Step 6: Final answer
    x = 121,606.41

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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.