Home / 159,777.12-220,493.14-88,157.10

Finding the Fourth Proportional to 159,777.12, 220,493.14 and 88,157.10

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Solution

The fourth proportional to 159,777.12, 220,493.14 and 88,157.10 is: 121,657.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,777.12 : 220,493.14 = 88,157.10 : x
  2. Step 2: Convert to fraction form
    159,777.12/220,493.14 = 88,157.10/x
  3. Step 3: Cross multiply
    159,777.12x = 220,493.14 × 88,157.10
  4. Step 4: Simplify right side
    159,777.12x = 19,438,035,792.29
  5. Step 5: Solve for x
    x = 19,438,035,792.29/159,777.12
  6. Step 6: Final answer
    x = 121,657.19

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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.