Home / 197,705.68-272,834.40-107,062.72

Finding the Fourth Proportional to 197,705.68, 272,834.40 and 107,062.72

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Solution

The fourth proportional to 197,705.68, 272,834.40 and 107,062.72 is: 147,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,705.68 : 272,834.40 = 107,062.72 : x
  2. Step 2: Convert to fraction form
    197,705.68/272,834.40 = 107,062.72/x
  3. Step 3: Cross multiply
    197,705.68x = 272,834.40 × 107,062.72
  4. Step 4: Simplify right side
    197,705.68x = 29,210,392,973.57
  5. Step 5: Solve for x
    x = 29,210,392,973.57/197,705.68
  6. Step 6: Final answer
    x = 147,746.86

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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.