Home / 136,576.96-204,865.46-43,090

Finding the Fourth Proportional to 136,576.96, 204,865.46 and 43,090

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Solution

The fourth proportional to 136,576.96, 204,865.46 and 43,090 is: 64,635.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,576.96 : 204,865.46 = 43,090 : x
  2. Step 2: Convert to fraction form
    136,576.96/204,865.46 = 43,090/x
  3. Step 3: Cross multiply
    136,576.96x = 204,865.46 × 43,090
  4. Step 4: Simplify right side
    136,576.96x = 8,827,652,671.40
  5. Step 5: Solve for x
    x = 8,827,652,671.40/136,576.96
  6. Step 6: Final answer
    x = 64,635.01

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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.