Home / 169,279.83-253,829.55-56,922.72

Finding the Fourth Proportional to 169,279.83, 253,829.55 and 56,922.72

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Solution

The fourth proportional to 169,279.83, 253,829.55 and 56,922.72 is: 85,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,279.83 : 253,829.55 = 56,922.72 : x
  2. Step 2: Convert to fraction form
    169,279.83/253,829.55 = 56,922.72/x
  3. Step 3: Cross multiply
    169,279.83x = 253,829.55 × 56,922.72
  4. Step 4: Simplify right side
    169,279.83x = 14,448,668,402.38
  5. Step 5: Solve for x
    x = 14,448,668,402.38/169,279.83
  6. Step 6: Final answer
    x = 85,353.75

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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.