Home / 140,319.92-210,454.58-40,455.59

Finding the Fourth Proportional to 140,319.92, 210,454.58 and 40,455.59

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Solution

The fourth proportional to 140,319.92, 210,454.58 and 40,455.59 is: 60,676.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,319.92 : 210,454.58 = 40,455.59 : x
  2. Step 2: Convert to fraction form
    140,319.92/210,454.58 = 40,455.59/x
  3. Step 3: Cross multiply
    140,319.92x = 210,454.58 × 40,455.59
  4. Step 4: Simplify right side
    140,319.92x = 8,514,063,250.97
  5. Step 5: Solve for x
    x = 8,514,063,250.97/140,319.92
  6. Step 6: Final answer
    x = 60,676.08

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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.