Home / 268,926.57-403,139.26-91,312.10

Finding the Fourth Proportional to 268,926.57, 403,139.26 and 91,312.10

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Solution

The fourth proportional to 268,926.57, 403,139.26 and 91,312.10 is: 136,883.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,926.57 : 403,139.26 = 91,312.10 : x
  2. Step 2: Convert to fraction form
    268,926.57/403,139.26 = 91,312.10/x
  3. Step 3: Cross multiply
    268,926.57x = 403,139.26 × 91,312.10
  4. Step 4: Simplify right side
    268,926.57x = 36,811,492,033.26
  5. Step 5: Solve for x
    x = 36,811,492,033.26/268,926.57
  6. Step 6: Final answer
    x = 136,883.06

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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.