Home / 197,389.32-272,423.22-112,486.92

Finding the Fourth Proportional to 197,389.32, 272,423.22 and 112,486.92

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Solution

The fourth proportional to 197,389.32, 272,423.22 and 112,486.92 is: 155,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,389.32 : 272,423.22 = 112,486.92 : x
  2. Step 2: Convert to fraction form
    197,389.32/272,423.22 = 112,486.92/x
  3. Step 3: Cross multiply
    197,389.32x = 272,423.22 × 112,486.92
  4. Step 4: Simplify right side
    197,389.32x = 30,644,048,954.28
  5. Step 5: Solve for x
    x = 30,644,048,954.28/197,389.32
  6. Step 6: Final answer
    x = 155,246.74

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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.