Home / 136,100.96-204,192.90-69,587.81

Finding the Fourth Proportional to 136,100.96, 204,192.90 and 69,587.81

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Solution

The fourth proportional to 136,100.96, 204,192.90 and 69,587.81 is: 104,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,100.96 : 204,192.90 = 69,587.81 : x
  2. Step 2: Convert to fraction form
    136,100.96/204,192.90 = 69,587.81/x
  3. Step 3: Cross multiply
    136,100.96x = 204,192.90 × 69,587.81
  4. Step 4: Simplify right side
    136,100.96x = 14,209,336,473.31
  5. Step 5: Solve for x
    x = 14,209,336,473.31/136,100.96
  6. Step 6: Final answer
    x = 104,402.91

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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.