Home / 197,685.36-272,806.32-107,041.50

Finding the Fourth Proportional to 197,685.36, 272,806.32 and 107,041.50

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Solution

The fourth proportional to 197,685.36, 272,806.32 and 107,041.50 is: 147,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,685.36 : 272,806.32 = 107,041.50 : x
  2. Step 2: Convert to fraction form
    197,685.36/272,806.32 = 107,041.50/x
  3. Step 3: Cross multiply
    197,685.36x = 272,806.32 × 107,041.50
  4. Step 4: Simplify right side
    197,685.36x = 29,201,597,702.28
  5. Step 5: Solve for x
    x = 29,201,597,702.28/197,685.36
  6. Step 6: Final answer
    x = 147,717.55

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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.