Home / 172,358.04-258,537.13-54,038.60

Finding the Fourth Proportional to 172,358.04, 258,537.13 and 54,038.60

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Solution

The fourth proportional to 172,358.04, 258,537.13 and 54,038.60 is: 81,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,358.04 : 258,537.13 = 54,038.60 : x
  2. Step 2: Convert to fraction form
    172,358.04/258,537.13 = 54,038.60/x
  3. Step 3: Cross multiply
    172,358.04x = 258,537.13 × 54,038.60
  4. Step 4: Simplify right side
    172,358.04x = 13,970,984,553.22
  5. Step 5: Solve for x
    x = 13,970,984,553.22/172,358.04
  6. Step 6: Final answer
    x = 81,057.92

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1.5x scale

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.