Home / 172,284.50-258,426.76-53,965.07

Finding the Fourth Proportional to 172,284.50, 258,426.76 and 53,965.07

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Solution

The fourth proportional to 172,284.50, 258,426.76 and 53,965.07 is: 80,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,284.50 : 258,426.76 = 53,965.07 : x
  2. Step 2: Convert to fraction form
    172,284.50/258,426.76 = 53,965.07/x
  3. Step 3: Cross multiply
    172,284.50x = 258,426.76 × 53,965.07
  4. Step 4: Simplify right side
    172,284.50x = 13,946,016,901.14
  5. Step 5: Solve for x
    x = 13,946,016,901.14/172,284.50
  6. Step 6: Final answer
    x = 80,947.60

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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.