Home / 149,836.60-224,639.70-84,172.60

Finding the Fourth Proportional to 149,836.60, 224,639.70 and 84,172.60

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Solution

The fourth proportional to 149,836.60, 224,639.70 and 84,172.60 is: 126,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,836.60 : 224,639.70 = 84,172.60 : x
  2. Step 2: Convert to fraction form
    149,836.60/224,639.70 = 84,172.60/x
  3. Step 3: Cross multiply
    149,836.60x = 224,639.70 × 84,172.60
  4. Step 4: Simplify right side
    149,836.60x = 18,908,507,612.22
  5. Step 5: Solve for x
    x = 18,908,507,612.22/149,836.60
  6. Step 6: Final answer
    x = 126,194.18

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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.