Home / 172,356.79-258,535.25-54,037.35

Finding the Fourth Proportional to 172,356.79, 258,535.25 and 54,037.35

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Solution

The fourth proportional to 172,356.79, 258,535.25 and 54,037.35 is: 81,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,356.79 : 258,535.25 = 54,037.35 : x
  2. Step 2: Convert to fraction form
    172,356.79/258,535.25 = 54,037.35/x
  3. Step 3: Cross multiply
    172,356.79x = 258,535.25 × 54,037.35
  4. Step 4: Simplify right side
    172,356.79x = 13,970,559,791.59
  5. Step 5: Solve for x
    x = 13,970,559,791.59/172,356.79
  6. Step 6: Final answer
    x = 81,056.05

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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.