Home / 136,008.20-204,079.36-61,181.30

Finding the Fourth Proportional to 136,008.20, 204,079.36 and 61,181.30

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Solution

The fourth proportional to 136,008.20, 204,079.36 and 61,181.30 is: 91,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,008.20 : 204,079.36 = 61,181.30 : x
  2. Step 2: Convert to fraction form
    136,008.20/204,079.36 = 61,181.30/x
  3. Step 3: Cross multiply
    136,008.20x = 204,079.36 × 61,181.30
  4. Step 4: Simplify right side
    136,008.20x = 12,485,840,547.97
  5. Step 5: Solve for x
    x = 12,485,840,547.97/136,008.20
  6. Step 6: Final answer
    x = 91,802.12

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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.