Home / 93,519.45-140,279.72-31,189.77

Finding the Fourth Proportional to 93,519.45, 140,279.72 and 31,189.77

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Solution

The fourth proportional to 93,519.45, 140,279.72 and 31,189.77 is: 46,784.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,519.45 : 140,279.72 = 31,189.77 : x
  2. Step 2: Convert to fraction form
    93,519.45/140,279.72 = 31,189.77/x
  3. Step 3: Cross multiply
    93,519.45x = 140,279.72 × 31,189.77
  4. Step 4: Simplify right side
    93,519.45x = 4,375,292,046.52
  5. Step 5: Solve for x
    x = 4,375,292,046.52/93,519.45
  6. Step 6: Final answer
    x = 46,784.84

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1.5x scale

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.