Home / 191,036.27-286,488.80-72,741.44

Finding the Fourth Proportional to 191,036.27, 286,488.80 and 72,741.44

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Solution

The fourth proportional to 191,036.27, 286,488.80 and 72,741.44 is: 109,087.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,036.27 : 286,488.80 = 72,741.44 : x
  2. Step 2: Convert to fraction form
    191,036.27/286,488.80 = 72,741.44/x
  3. Step 3: Cross multiply
    191,036.27x = 286,488.80 × 72,741.44
  4. Step 4: Simplify right side
    191,036.27x = 20,839,608,481.17
  5. Step 5: Solve for x
    x = 20,839,608,481.17/191,036.27
  6. Step 6: Final answer
    x = 109,087.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.