Home / 147,622.60-221,433.90-134,720.20

Finding the Fourth Proportional to 147,622.60, 221,433.90 and 134,720.20

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Solution

The fourth proportional to 147,622.60, 221,433.90 and 134,720.20 is: 202,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622.60 : 221,433.90 = 134,720.20 : x
  2. Step 2: Convert to fraction form
    147,622.60/221,433.90 = 134,720.20/x
  3. Step 3: Cross multiply
    147,622.60x = 221,433.90 × 134,720.20
  4. Step 4: Simplify right side
    147,622.60x = 29,831,619,294.78
  5. Step 5: Solve for x
    x = 29,831,619,294.78/147,622.60
  6. Step 6: Final answer
    x = 202,080.30

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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.