Home / 252,247.46-348,099.20-139,070.22

Finding the Fourth Proportional to 252,247.46, 348,099.20 and 139,070.22

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Solution

The fourth proportional to 252,247.46, 348,099.20 and 139,070.22 is: 191,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,247.46 : 348,099.20 = 139,070.22 : x
  2. Step 2: Convert to fraction form
    252,247.46/348,099.20 = 139,070.22/x
  3. Step 3: Cross multiply
    252,247.46x = 348,099.20 × 139,070.22
  4. Step 4: Simplify right side
    252,247.46x = 48,410,232,325.82
  5. Step 5: Solve for x
    x = 48,410,232,325.82/252,247.46
  6. Step 6: Final answer
    x = 191,915.64

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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.