Home / 171,929.38-257,558.59-112,585.14

Finding the Fourth Proportional to 171,929.38, 257,558.59 and 112,585.14

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Solution

The fourth proportional to 171,929.38, 257,558.59 and 112,585.14 is: 168,658.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,929.38 : 257,558.59 = 112,585.14 : x
  2. Step 2: Convert to fraction form
    171,929.38/257,558.59 = 112,585.14/x
  3. Step 3: Cross multiply
    171,929.38x = 257,558.59 × 112,585.14
  4. Step 4: Simplify right side
    171,929.38x = 28,997,268,062.63
  5. Step 5: Solve for x
    x = 28,997,268,062.63/171,929.38
  6. Step 6: Final answer
    x = 168,658.02

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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.