Home / 124,144.72-186,136.95-53,113.70

Finding the Fourth Proportional to 124,144.72, 186,136.95 and 53,113.70

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Solution

The fourth proportional to 124,144.72, 186,136.95 and 53,113.70 is: 79,636.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,144.72 : 186,136.95 = 53,113.70 : x
  2. Step 2: Convert to fraction form
    124,144.72/186,136.95 = 53,113.70/x
  3. Step 3: Cross multiply
    124,144.72x = 186,136.95 × 53,113.70
  4. Step 4: Simplify right side
    124,144.72x = 9,886,422,121.22
  5. Step 5: Solve for x
    x = 9,886,422,121.22/124,144.72
  6. Step 6: Final answer
    x = 79,636.27

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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.