Home / 159,619.86-220,276.90-88,002.45

Finding the Fourth Proportional to 159,619.86, 220,276.90 and 88,002.45

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Solution

The fourth proportional to 159,619.86, 220,276.90 and 88,002.45 is: 121,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,619.86 : 220,276.90 = 88,002.45 : x
  2. Step 2: Convert to fraction form
    159,619.86/220,276.90 = 88,002.45/x
  3. Step 3: Cross multiply
    159,619.86x = 220,276.90 × 88,002.45
  4. Step 4: Simplify right side
    159,619.86x = 19,384,905,777.02
  5. Step 5: Solve for x
    x = 19,384,905,777.02/159,619.86
  6. Step 6: Final answer
    x = 121,444.20

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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.