Home / 204,330.22-306,492.25-91,931.06

Finding the Fourth Proportional to 204,330.22, 306,492.25 and 91,931.06

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Solution

The fourth proportional to 204,330.22, 306,492.25 and 91,931.06 is: 137,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,330.22 : 306,492.25 = 91,931.06 : x
  2. Step 2: Convert to fraction form
    204,330.22/306,492.25 = 91,931.06/x
  3. Step 3: Cross multiply
    204,330.22x = 306,492.25 × 91,931.06
  4. Step 4: Simplify right side
    204,330.22x = 28,176,157,424.29
  5. Step 5: Solve for x
    x = 28,176,157,424.29/204,330.22
  6. Step 6: Final answer
    x = 137,895.20

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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.