Home / 213,429.60-320,034.72-124,856.16

Finding the Fourth Proportional to 213,429.60, 320,034.72 and 124,856.16

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Solution

The fourth proportional to 213,429.60, 320,034.72 and 124,856.16 is: 187,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,429.60 : 320,034.72 = 124,856.16 : x
  2. Step 2: Convert to fraction form
    213,429.60/320,034.72 = 124,856.16/x
  3. Step 3: Cross multiply
    213,429.60x = 320,034.72 × 124,856.16
  4. Step 4: Simplify right side
    213,429.60x = 39,958,306,205.88
  5. Step 5: Solve for x
    x = 39,958,306,205.88/213,429.60
  6. Step 6: Final answer
    x = 187,220.08

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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.