Home / 105,172.26-145,141.38-59,857.08

Finding the Fourth Proportional to 105,172.26, 145,141.38 and 59,857.08

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Solution

The fourth proportional to 105,172.26, 145,141.38 and 59,857.08 is: 82,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,172.26 : 145,141.38 = 59,857.08 : x
  2. Step 2: Convert to fraction form
    105,172.26/145,141.38 = 59,857.08/x
  3. Step 3: Cross multiply
    105,172.26x = 145,141.38 × 59,857.08
  4. Step 4: Simplify right side
    105,172.26x = 8,687,739,193.97
  5. Step 5: Solve for x
    x = 8,687,739,193.97/105,172.26
  6. Step 6: Final answer
    x = 82,604.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.