Home / 213,444.42-320,155.02-108,260.64

Finding the Fourth Proportional to 213,444.42, 320,155.02 and 108,260.64

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Solution

The fourth proportional to 213,444.42, 320,155.02 and 108,260.64 is: 162,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,444.42 : 320,155.02 = 108,260.64 : x
  2. Step 2: Convert to fraction form
    213,444.42/320,155.02 = 108,260.64/x
  3. Step 3: Cross multiply
    213,444.42x = 320,155.02 × 108,260.64
  4. Step 4: Simplify right side
    213,444.42x = 34,660,187,364.41
  5. Step 5: Solve for x
    x = 34,660,187,364.41/213,444.42
  6. Step 6: Final answer
    x = 162,385.07

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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.