Home / 90,914.72-136,221.66-46,480.32

Finding the Fourth Proportional to 90,914.72, 136,221.66 and 46,480.32

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Solution

The fourth proportional to 90,914.72, 136,221.66 and 46,480.32 is: 69,643.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,914.72 : 136,221.66 = 46,480.32 : x
  2. Step 2: Convert to fraction form
    90,914.72/136,221.66 = 46,480.32/x
  3. Step 3: Cross multiply
    90,914.72x = 136,221.66 × 46,480.32
  4. Step 4: Simplify right side
    90,914.72x = 6,331,626,347.73
  5. Step 5: Solve for x
    x = 6,331,626,347.73/90,914.72
  6. Step 6: Final answer
    x = 69,643.58

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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.