Home / 90,856.79-136,313.09-46,514.66

Finding the Fourth Proportional to 90,856.79, 136,313.09 and 46,514.66

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Solution

The fourth proportional to 90,856.79, 136,313.09 and 46,514.66 is: 69,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,856.79 : 136,313.09 = 46,514.66 : x
  2. Step 2: Convert to fraction form
    90,856.79/136,313.09 = 46,514.66/x
  3. Step 3: Cross multiply
    90,856.79x = 136,313.09 × 46,514.66
  4. Step 4: Simplify right side
    90,856.79x = 6,340,557,491.97
  5. Step 5: Solve for x
    x = 6,340,557,491.97/90,856.79
  6. Step 6: Final answer
    x = 69,786.28

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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.