Home / 221,840.30-306,029.41-131,152.10

Finding the Fourth Proportional to 221,840.30, 306,029.41 and 131,152.10

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Solution

The fourth proportional to 221,840.30, 306,029.41 and 131,152.10 is: 180,924.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,840.30 : 306,029.41 = 131,152.10 : x
  2. Step 2: Convert to fraction form
    221,840.30/306,029.41 = 131,152.10/x
  3. Step 3: Cross multiply
    221,840.30x = 306,029.41 × 131,152.10
  4. Step 4: Simplify right side
    221,840.30x = 40,136,397,925.23
  5. Step 5: Solve for x
    x = 40,136,397,925.23/221,840.30
  6. Step 6: Final answer
    x = 180,924.73

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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.