Home / 197,110.80-272,000.16-112,227.12

Finding the Fourth Proportional to 197,110.80, 272,000.16 and 112,227.12

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Solution

The fourth proportional to 197,110.80, 272,000.16 and 112,227.12 is: 154,866.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,110.80 : 272,000.16 = 112,227.12 : x
  2. Step 2: Convert to fraction form
    197,110.80/272,000.16 = 112,227.12/x
  3. Step 3: Cross multiply
    197,110.80x = 272,000.16 × 112,227.12
  4. Step 4: Simplify right side
    197,110.80x = 30,525,794,596.34
  5. Step 5: Solve for x
    x = 30,525,794,596.34/197,110.80
  6. Step 6: Final answer
    x = 154,866.17

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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.