Home / 197,628.26-272,728.01-112,745.32

Finding the Fourth Proportional to 197,628.26, 272,728.01 and 112,745.32

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Solution

The fourth proportional to 197,628.26, 272,728.01 and 112,745.32 is: 155,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,628.26 : 272,728.01 = 112,745.32 : x
  2. Step 2: Convert to fraction form
    197,628.26/272,728.01 = 112,745.32/x
  3. Step 3: Cross multiply
    197,628.26x = 272,728.01 × 112,745.32
  4. Step 4: Simplify right side
    197,628.26x = 30,748,806,360.46
  5. Step 5: Solve for x
    x = 30,748,806,360.46/197,628.26
  6. Step 6: Final answer
    x = 155,589.12

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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.