Home / 197,302.91-272,284.13-112,414.50

Finding the Fourth Proportional to 197,302.91, 272,284.13 and 112,414.50

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Solution

The fourth proportional to 197,302.91, 272,284.13 and 112,414.50 is: 155,135.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,302.91 : 272,284.13 = 112,414.50 : x
  2. Step 2: Convert to fraction form
    197,302.91/272,284.13 = 112,414.50/x
  3. Step 3: Cross multiply
    197,302.91x = 272,284.13 × 112,414.50
  4. Step 4: Simplify right side
    197,302.91x = 30,608,684,612.92
  5. Step 5: Solve for x
    x = 30,608,684,612.92/197,302.91
  6. Step 6: Final answer
    x = 155,135.50

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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.