Home / 149,822.90-224,734.35-90,628.10

Finding the Fourth Proportional to 149,822.90, 224,734.35 and 90,628.10

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Solution

The fourth proportional to 149,822.90, 224,734.35 and 90,628.10 is: 135,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,822.90 : 224,734.35 = 90,628.10 : x
  2. Step 2: Convert to fraction form
    149,822.90/224,734.35 = 90,628.10/x
  3. Step 3: Cross multiply
    149,822.90x = 224,734.35 × 90,628.10
  4. Step 4: Simplify right side
    149,822.90x = 20,367,247,145.24
  5. Step 5: Solve for x
    x = 20,367,247,145.24/149,822.90
  6. Step 6: Final answer
    x = 135,942.15

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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.