Home / 197,275.36-272,226-112,376.80

Finding the Fourth Proportional to 197,275.36, 272,226 and 112,376.80

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Solution

The fourth proportional to 197,275.36, 272,226 and 112,376.80 is: 155,072.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,275.36 : 272,226 = 112,376.80 : x
  2. Step 2: Convert to fraction form
    197,275.36/272,226 = 112,376.80/x
  3. Step 3: Cross multiply
    197,275.36x = 272,226 × 112,376.80
  4. Step 4: Simplify right side
    197,275.36x = 30,591,886,756.80
  5. Step 5: Solve for x
    x = 30,591,886,756.80/197,275.36
  6. Step 6: Final answer
    x = 155,072.01

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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.