Home / 213,062.08-294,061.44-128,187.04

Finding the Fourth Proportional to 213,062.08, 294,061.44 and 128,187.04

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Solution

The fourth proportional to 213,062.08, 294,061.44 and 128,187.04 is: 176,919.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,062.08 : 294,061.44 = 128,187.04 : x
  2. Step 2: Convert to fraction form
    213,062.08/294,061.44 = 128,187.04/x
  3. Step 3: Cross multiply
    213,062.08x = 294,061.44 × 128,187.04
  4. Step 4: Simplify right side
    213,062.08x = 37,694,865,571.74
  5. Step 5: Solve for x
    x = 37,694,865,571.74/213,062.08
  6. Step 6: Final answer
    x = 176,919.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.