Home / 172,285.50-258,428.26-53,966.07

Finding the Fourth Proportional to 172,285.50, 258,428.26 and 53,966.07

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Solution

The fourth proportional to 172,285.50, 258,428.26 and 53,966.07 is: 80,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,285.50 : 258,428.26 = 53,966.07 : x
  2. Step 2: Convert to fraction form
    172,285.50/258,428.26 = 53,966.07/x
  3. Step 3: Cross multiply
    172,285.50x = 258,428.26 × 53,966.07
  4. Step 4: Simplify right side
    172,285.50x = 13,946,357,569.14
  5. Step 5: Solve for x
    x = 13,946,357,569.14/172,285.50
  6. Step 6: Final answer
    x = 80,949.11

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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.