Home / 103,253.62-142,574.03-84,136.27

Finding the Fourth Proportional to 103,253.62, 142,574.03 and 84,136.27

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Solution

The fourth proportional to 103,253.62, 142,574.03 and 84,136.27 is: 116,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,253.62 : 142,574.03 = 84,136.27 : x
  2. Step 2: Convert to fraction form
    103,253.62/142,574.03 = 84,136.27/x
  3. Step 3: Cross multiply
    103,253.62x = 142,574.03 × 84,136.27
  4. Step 4: Simplify right side
    103,253.62x = 11,995,647,083.07
  5. Step 5: Solve for x
    x = 11,995,647,083.07/103,253.62
  6. Step 6: Final answer
    x = 116,176.53

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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.