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Finding the Fourth Proportional to 175,036.80, 262,252.80 and 81,350.40

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Solution

The fourth proportional to 175,036.80, 262,252.80 and 81,350.40 is: 121,885.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,036.80 : 262,252.80 = 81,350.40 : x
  2. Step 2: Convert to fraction form
    175,036.80/262,252.80 = 81,350.40/x
  3. Step 3: Cross multiply
    175,036.80x = 262,252.80 × 81,350.40
  4. Step 4: Simplify right side
    175,036.80x = 21,334,370,181.12
  5. Step 5: Solve for x
    x = 21,334,370,181.12/175,036.80
  6. Step 6: Final answer
    x = 121,885.06

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1.5x scale

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.