Home / 191,317.73-286,981.31-91,488.47

Finding the Fourth Proportional to 191,317.73, 286,981.31 and 91,488.47

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Solution

The fourth proportional to 191,317.73, 286,981.31 and 91,488.47 is: 137,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,317.73 : 286,981.31 = 91,488.47 : x
  2. Step 2: Convert to fraction form
    191,317.73/286,981.31 = 91,488.47/x
  3. Step 3: Cross multiply
    191,317.73x = 286,981.31 × 91,488.47
  4. Step 4: Simplify right side
    191,317.73x = 26,255,479,764.31
  5. Step 5: Solve for x
    x = 26,255,479,764.31/191,317.73
  6. Step 6: Final answer
    x = 137,234.96

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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.