Home / 114,866.19-172,279.85-31,740.75

Finding the Fourth Proportional to 114,866.19, 172,279.85 and 31,740.75

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Solution

The fourth proportional to 114,866.19, 172,279.85 and 31,740.75 is: 47,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,866.19 : 172,279.85 = 31,740.75 : x
  2. Step 2: Convert to fraction form
    114,866.19/172,279.85 = 31,740.75/x
  3. Step 3: Cross multiply
    114,866.19x = 172,279.85 × 31,740.75
  4. Step 4: Simplify right side
    114,866.19x = 5,468,291,490.18
  5. Step 5: Solve for x
    x = 5,468,291,490.18/114,866.19
  6. Step 6: Final answer
    x = 47,605.75

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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.