Home / 213,574.32-320,385.78-63,823.14

Finding the Fourth Proportional to 213,574.32, 320,385.78 and 63,823.14

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Solution

The fourth proportional to 213,574.32, 320,385.78 and 63,823.14 is: 95,741.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,574.32 : 320,385.78 = 63,823.14 : x
  2. Step 2: Convert to fraction form
    213,574.32/320,385.78 = 63,823.14/x
  3. Step 3: Cross multiply
    213,574.32x = 320,385.78 × 63,823.14
  4. Step 4: Simplify right side
    213,574.32x = 20,448,026,490.95
  5. Step 5: Solve for x
    x = 20,448,026,490.95/213,574.32
  6. Step 6: Final answer
    x = 95,741.97

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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.