Home / 171,981.15-257,853.96-87,577.93

Finding the Fourth Proportional to 171,981.15, 257,853.96 and 87,577.93

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Solution

The fourth proportional to 171,981.15, 257,853.96 and 87,577.93 is: 131,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,981.15 : 257,853.96 = 87,577.93 : x
  2. Step 2: Convert to fraction form
    171,981.15/257,853.96 = 87,577.93/x
  3. Step 3: Cross multiply
    171,981.15x = 257,853.96 × 87,577.93
  4. Step 4: Simplify right side
    171,981.15x = 22,582,316,059.10
  5. Step 5: Solve for x
    x = 22,582,316,059.10/171,981.15
  6. Step 6: Final answer
    x = 131,306.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.