Home / 136,090.60-204,038.70-61,149.40

Finding the Fourth Proportional to 136,090.60, 204,038.70 and 61,149.40

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Solution

The fourth proportional to 136,090.60, 204,038.70 and 61,149.40 is: 91,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,090.60 : 204,038.70 = 61,149.40 : x
  2. Step 2: Convert to fraction form
    136,090.60/204,038.70 = 61,149.40/x
  3. Step 3: Cross multiply
    136,090.60x = 204,038.70 × 61,149.40
  4. Step 4: Simplify right side
    136,090.60x = 12,476,844,081.78
  5. Step 5: Solve for x
    x = 12,476,844,081.78/136,090.60
  6. Step 6: Final answer
    x = 91,680.43

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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.