Home / 172,136.04-258,204.05-52,192.76

Finding the Fourth Proportional to 172,136.04, 258,204.05 and 52,192.76

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Solution

The fourth proportional to 172,136.04, 258,204.05 and 52,192.76 is: 78,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,136.04 : 258,204.05 = 52,192.76 : x
  2. Step 2: Convert to fraction form
    172,136.04/258,204.05 = 52,192.76/x
  3. Step 3: Cross multiply
    172,136.04x = 258,204.05 × 52,192.76
  4. Step 4: Simplify right side
    172,136.04x = 13,476,380,950.00
  5. Step 5: Solve for x
    x = 13,476,380,950.00/172,136.04
  6. Step 6: Final answer
    x = 78,289.13

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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.