Home / 159,432.64-219,776.62-131,089.12

Finding the Fourth Proportional to 159,432.64, 219,776.62 and 131,089.12

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Solution

The fourth proportional to 159,432.64, 219,776.62 and 131,089.12 is: 180,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,432.64 : 219,776.62 = 131,089.12 : x
  2. Step 2: Convert to fraction form
    159,432.64/219,776.62 = 131,089.12/x
  3. Step 3: Cross multiply
    159,432.64x = 219,776.62 × 131,089.12
  4. Step 4: Simplify right side
    159,432.64x = 28,810,323,712.37
  5. Step 5: Solve for x
    x = 28,810,323,712.37/159,432.64
  6. Step 6: Final answer
    x = 180,705.30

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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.