Home / 197,657.40-272,766.82-107,013.35

Finding the Fourth Proportional to 197,657.40, 272,766.82 and 107,013.35

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Solution

The fourth proportional to 197,657.40, 272,766.82 and 107,013.35 is: 147,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,657.40 : 272,766.82 = 107,013.35 : x
  2. Step 2: Convert to fraction form
    197,657.40/272,766.82 = 107,013.35/x
  3. Step 3: Cross multiply
    197,657.40x = 272,766.82 × 107,013.35
  4. Step 4: Simplify right side
    197,657.40x = 29,189,689,278.15
  5. Step 5: Solve for x
    x = 29,189,689,278.15/197,657.40
  6. Step 6: Final answer
    x = 147,678.20

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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.