Home / 136,204.32-204,496.02-69,690.36

Finding the Fourth Proportional to 136,204.32, 204,496.02 and 69,690.36

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Solution

The fourth proportional to 136,204.32, 204,496.02 and 69,690.36 is: 104,632.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,204.32 : 204,496.02 = 69,690.36 : x
  2. Step 2: Convert to fraction form
    136,204.32/204,496.02 = 69,690.36/x
  3. Step 3: Cross multiply
    136,204.32x = 204,496.02 × 69,690.36
  4. Step 4: Simplify right side
    136,204.32x = 14,251,401,252.37
  5. Step 5: Solve for x
    x = 14,251,401,252.37/136,204.32
  6. Step 6: Final answer
    x = 104,632.52

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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.