Home / 191,165.58-286,751.07-72,843.39

Finding the Fourth Proportional to 191,165.58, 286,751.07 and 72,843.39

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Solution

The fourth proportional to 191,165.58, 286,751.07 and 72,843.39 is: 109,266.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,165.58 : 286,751.07 = 72,843.39 : x
  2. Step 2: Convert to fraction form
    191,165.58/286,751.07 = 72,843.39/x
  3. Step 3: Cross multiply
    191,165.58x = 286,751.07 × 72,843.39
  4. Step 4: Simplify right side
    191,165.58x = 20,887,920,024.93
  5. Step 5: Solve for x
    x = 20,887,920,024.93/191,165.58
  6. Step 6: Final answer
    x = 109,266.11

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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.