Home / 90,856.80-136,313.04-46,514.96

Finding the Fourth Proportional to 90,856.80, 136,313.04 and 46,514.96

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Solution

The fourth proportional to 90,856.80, 136,313.04 and 46,514.96 is: 69,786.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,856.80 : 136,313.04 = 46,514.96 : x
  2. Step 2: Convert to fraction form
    90,856.80/136,313.04 = 46,514.96/x
  3. Step 3: Cross multiply
    90,856.80x = 136,313.04 × 46,514.96
  4. Step 4: Simplify right side
    90,856.80x = 6,340,595,603.08
  5. Step 5: Solve for x
    x = 6,340,595,603.08/90,856.80
  6. Step 6: Final answer
    x = 69,786.69

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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.