Home / 149,832.20-224,746.74-86,612.09

Finding the Fourth Proportional to 149,832.20, 224,746.74 and 86,612.09

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Solution

The fourth proportional to 149,832.20, 224,746.74 and 86,612.09 is: 129,917.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,832.20 : 224,746.74 = 86,612.09 : x
  2. Step 2: Convert to fraction form
    149,832.20/224,746.74 = 86,612.09/x
  3. Step 3: Cross multiply
    149,832.20x = 224,746.74 × 86,612.09
  4. Step 4: Simplify right side
    149,832.20x = 19,465,783,964.88
  5. Step 5: Solve for x
    x = 19,465,783,964.88/149,832.20
  6. Step 6: Final answer
    x = 129,917.23

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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.