Home / 157,887.27-217,884.63-86,267.29

Finding the Fourth Proportional to 157,887.27, 217,884.63 and 86,267.29

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Solution

The fourth proportional to 157,887.27, 217,884.63 and 86,267.29 is: 119,048.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,887.27 : 217,884.63 = 86,267.29 : x
  2. Step 2: Convert to fraction form
    157,887.27/217,884.63 = 86,267.29/x
  3. Step 3: Cross multiply
    157,887.27x = 217,884.63 × 86,267.29
  4. Step 4: Simplify right side
    157,887.27x = 18,796,316,562.75
  5. Step 5: Solve for x
    x = 18,796,316,562.75/157,887.27
  6. Step 6: Final answer
    x = 119,048.97

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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.