Home / 197,353.83-272,351.67-112,472.31

Finding the Fourth Proportional to 197,353.83, 272,351.67 and 112,472.31

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Solution

The fourth proportional to 197,353.83, 272,351.67 and 112,472.31 is: 155,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,353.83 : 272,351.67 = 112,472.31 : x
  2. Step 2: Convert to fraction form
    197,353.83/272,351.67 = 112,472.31/x
  3. Step 3: Cross multiply
    197,353.83x = 272,351.67 × 112,472.31
  4. Step 4: Simplify right side
    197,353.83x = 30,632,021,457.26
  5. Step 5: Solve for x
    x = 30,632,021,457.26/197,353.83
  6. Step 6: Final answer
    x = 155,213.72

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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.