Home / 115,123.08-172,639.26-55,941.24

Finding the Fourth Proportional to 115,123.08, 172,639.26 and 55,941.24

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Solution

The fourth proportional to 115,123.08, 172,639.26 and 55,941.24 is: 83,889.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,123.08 : 172,639.26 = 55,941.24 : x
  2. Step 2: Convert to fraction form
    115,123.08/172,639.26 = 55,941.24/x
  3. Step 3: Cross multiply
    115,123.08x = 172,639.26 × 55,941.24
  4. Step 4: Simplify right side
    115,123.08x = 9,657,654,277.08
  5. Step 5: Solve for x
    x = 9,657,654,277.08/115,123.08
  6. Step 6: Final answer
    x = 83,889.82

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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.