Home / 157,634.40-236,451.60-74,690.40

Finding the Fourth Proportional to 157,634.40, 236,451.60 and 74,690.40

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Solution

The fourth proportional to 157,634.40, 236,451.60 and 74,690.40 is: 112,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,634.40 : 236,451.60 = 74,690.40 : x
  2. Step 2: Convert to fraction form
    157,634.40/236,451.60 = 74,690.40/x
  3. Step 3: Cross multiply
    157,634.40x = 236,451.60 × 74,690.40
  4. Step 4: Simplify right side
    157,634.40x = 17,660,664,584.64
  5. Step 5: Solve for x
    x = 17,660,664,584.64/157,634.40
  6. Step 6: Final answer
    x = 112,035.60

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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.