Home / 191,122.80-285,071.62-165,965.02

Finding the Fourth Proportional to 191,122.80, 285,071.62 and 165,965.02

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Solution

The fourth proportional to 191,122.80, 285,071.62 and 165,965.02 is: 247,547.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,122.80 : 285,071.62 = 165,965.02 : x
  2. Step 2: Convert to fraction form
    191,122.80/285,071.62 = 165,965.02/x
  3. Step 3: Cross multiply
    191,122.80x = 285,071.62 × 165,965.02
  4. Step 4: Simplify right side
    191,122.80x = 47,311,917,114.73
  5. Step 5: Solve for x
    x = 47,311,917,114.73/191,122.80
  6. Step 6: Final answer
    x = 247,547.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.