Home / 197,755.72-272,887.86-112,861.24

Finding the Fourth Proportional to 197,755.72, 272,887.86 and 112,861.24

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Solution

The fourth proportional to 197,755.72, 272,887.86 and 112,861.24 is: 155,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,755.72 : 272,887.86 = 112,861.24 : x
  2. Step 2: Convert to fraction form
    197,755.72/272,887.86 = 112,861.24/x
  3. Step 3: Cross multiply
    197,755.72x = 272,887.86 × 112,861.24
  4. Step 4: Simplify right side
    197,755.72x = 30,798,462,260.55
  5. Step 5: Solve for x
    x = 30,798,462,260.55/197,755.72
  6. Step 6: Final answer
    x = 155,739.93

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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.