Home / 149,820.60-224,730.90-136,990.20

Finding the Fourth Proportional to 149,820.60, 224,730.90 and 136,990.20

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Solution

The fourth proportional to 149,820.60, 224,730.90 and 136,990.20 is: 205,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,820.60 : 224,730.90 = 136,990.20 : x
  2. Step 2: Convert to fraction form
    149,820.60/224,730.90 = 136,990.20/x
  3. Step 3: Cross multiply
    149,820.60x = 224,730.90 × 136,990.20
  4. Step 4: Simplify right side
    149,820.60x = 30,785,930,937.18
  5. Step 5: Solve for x
    x = 30,785,930,937.18/149,820.60
  6. Step 6: Final answer
    x = 205,485.30

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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.