Home / 136,940.18-205,579.42-64,961.91

Finding the Fourth Proportional to 136,940.18, 205,579.42 and 64,961.91

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Solution

The fourth proportional to 136,940.18, 205,579.42 and 64,961.91 is: 97,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,940.18 : 205,579.42 = 64,961.91 : x
  2. Step 2: Convert to fraction form
    136,940.18/205,579.42 = 64,961.91/x
  3. Step 3: Cross multiply
    136,940.18x = 205,579.42 × 64,961.91
  4. Step 4: Simplify right side
    136,940.18x = 13,354,831,779.89
  5. Step 5: Solve for x
    x = 13,354,831,779.89/136,940.18
  6. Step 6: Final answer
    x = 97,523.11

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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.