Home / 64,126.20-96,188.76-17,378.76

Finding the Fourth Proportional to 64,126.20, 96,188.76 and 17,378.76

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Solution

The fourth proportional to 64,126.20, 96,188.76 and 17,378.76 is: 26,067.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,126.20 : 96,188.76 = 17,378.76 : x
  2. Step 2: Convert to fraction form
    64,126.20/96,188.76 = 17,378.76/x
  3. Step 3: Cross multiply
    64,126.20x = 96,188.76 × 17,378.76
  4. Step 4: Simplify right side
    64,126.20x = 1,671,641,374.74
  5. Step 5: Solve for x
    x = 1,671,641,374.74/64,126.20
  6. Step 6: Final answer
    x = 26,067.99

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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.