Home / 191,729.18-264,605.94-115,273.16

Finding the Fourth Proportional to 191,729.18, 264,605.94 and 115,273.16

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Solution

The fourth proportional to 191,729.18, 264,605.94 and 115,273.16 is: 159,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,729.18 : 264,605.94 = 115,273.16 : x
  2. Step 2: Convert to fraction form
    191,729.18/264,605.94 = 115,273.16/x
  3. Step 3: Cross multiply
    191,729.18x = 264,605.94 × 115,273.16
  4. Step 4: Simplify right side
    191,729.18x = 30,501,962,858.57
  5. Step 5: Solve for x
    x = 30,501,962,858.57/191,729.18
  6. Step 6: Final answer
    x = 159,088.79

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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.