Home / 207,820.20-286,790.94-112,326.66

Finding the Fourth Proportional to 207,820.20, 286,790.94 and 112,326.66

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Solution

The fourth proportional to 207,820.20, 286,790.94 and 112,326.66 is: 155,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,820.20 : 286,790.94 = 112,326.66 : x
  2. Step 2: Convert to fraction form
    207,820.20/286,790.94 = 112,326.66/x
  3. Step 3: Cross multiply
    207,820.20x = 286,790.94 × 112,326.66
  4. Step 4: Simplify right side
    207,820.20x = 32,214,268,408.46
  5. Step 5: Solve for x
    x = 32,214,268,408.46/207,820.20
  6. Step 6: Final answer
    x = 155,010.28

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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.