Home / 197,779.87-272,937.52-107,135.83

Finding the Fourth Proportional to 197,779.87, 272,937.52 and 107,135.83

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Solution

The fourth proportional to 197,779.87, 272,937.52 and 107,135.83 is: 147,848.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,779.87 : 272,937.52 = 107,135.83 : x
  2. Step 2: Convert to fraction form
    197,779.87/272,937.52 = 107,135.83/x
  3. Step 3: Cross multiply
    197,779.87x = 272,937.52 × 107,135.83
  4. Step 4: Simplify right side
    197,779.87x = 29,241,387,743.34
  5. Step 5: Solve for x
    x = 29,241,387,743.34/197,779.87
  6. Step 6: Final answer
    x = 147,848.15

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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.