Home / 171,931.20-257,741.28-61,097.28

Finding the Fourth Proportional to 171,931.20, 257,741.28 and 61,097.28

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Solution

The fourth proportional to 171,931.20, 257,741.28 and 61,097.28 is: 91,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,931.20 : 257,741.28 = 61,097.28 : x
  2. Step 2: Convert to fraction form
    171,931.20/257,741.28 = 61,097.28/x
  3. Step 3: Cross multiply
    171,931.20x = 257,741.28 × 61,097.28
  4. Step 4: Simplify right side
    171,931.20x = 15,747,291,151.72
  5. Step 5: Solve for x
    x = 15,747,291,151.72/171,931.20
  6. Step 6: Final answer
    x = 91,590.65

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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.