Home / 213,400.12-320,093.28-63,641.64

Finding the Fourth Proportional to 213,400.12, 320,093.28 and 63,641.64

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Solution

The fourth proportional to 213,400.12, 320,093.28 and 63,641.64 is: 95,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,400.12 : 320,093.28 = 63,641.64 : x
  2. Step 2: Convert to fraction form
    213,400.12/320,093.28 = 63,641.64/x
  3. Step 3: Cross multiply
    213,400.12x = 320,093.28 × 63,641.64
  4. Step 4: Simplify right side
    213,400.12x = 20,371,261,292.18
  5. Step 5: Solve for x
    x = 20,371,261,292.18/213,400.12
  6. Step 6: Final answer
    x = 95,460.40

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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.