Home / 197,585.30-272,664.96-112,703.78

Finding the Fourth Proportional to 197,585.30, 272,664.96 and 112,703.78

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Solution

The fourth proportional to 197,585.30, 272,664.96 and 112,703.78 is: 155,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,585.30 : 272,664.96 = 112,703.78 : x
  2. Step 2: Convert to fraction form
    197,585.30/272,664.96 = 112,703.78/x
  3. Step 3: Cross multiply
    197,585.30x = 272,664.96 × 112,703.78
  4. Step 4: Simplify right side
    197,585.30x = 30,730,371,665.55
  5. Step 5: Solve for x
    x = 30,730,371,665.55/197,585.30
  6. Step 6: Final answer
    x = 155,529.65

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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.