Home / 197,572.16-272,649.91-106,928.22

Finding the Fourth Proportional to 197,572.16, 272,649.91 and 106,928.22

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Solution

The fourth proportional to 197,572.16, 272,649.91 and 106,928.22 is: 147,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,572.16 : 272,649.91 = 106,928.22 : x
  2. Step 2: Convert to fraction form
    197,572.16/272,649.91 = 106,928.22/x
  3. Step 3: Cross multiply
    197,572.16x = 272,649.91 × 106,928.22
  4. Step 4: Simplify right side
    197,572.16x = 29,153,969,559.46
  5. Step 5: Solve for x
    x = 29,153,969,559.46/197,572.16
  6. Step 6: Final answer
    x = 147,561.12

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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.