Home / 207,364.24-286,249.32-140,335.12

Finding the Fourth Proportional to 207,364.24, 286,249.32 and 140,335.12

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Solution

The fourth proportional to 207,364.24, 286,249.32 and 140,335.12 is: 193,721.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,364.24 : 286,249.32 = 140,335.12 : x
  2. Step 2: Convert to fraction form
    207,364.24/286,249.32 = 140,335.12/x
  3. Step 3: Cross multiply
    207,364.24x = 286,249.32 × 140,335.12
  4. Step 4: Simplify right side
    207,364.24x = 40,170,832,672.12
  5. Step 5: Solve for x
    x = 40,170,832,672.12/207,364.24
  6. Step 6: Final answer
    x = 193,721.12

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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.