Home / 103,621.90-155,432.85-37,064.20

Finding the Fourth Proportional to 103,621.90, 155,432.85 and 37,064.20

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Solution

The fourth proportional to 103,621.90, 155,432.85 and 37,064.20 is: 55,596.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621.90 : 155,432.85 = 37,064.20 : x
  2. Step 2: Convert to fraction form
    103,621.90/155,432.85 = 37,064.20/x
  3. Step 3: Cross multiply
    103,621.90x = 155,432.85 × 37,064.20
  4. Step 4: Simplify right side
    103,621.90x = 5,760,994,238.97
  5. Step 5: Solve for x
    x = 5,760,994,238.97/103,621.90
  6. Step 6: Final answer
    x = 55,596.30

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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.