Home / 236,158.68-354,307.05-76,230.90

Finding the Fourth Proportional to 236,158.68, 354,307.05 and 76,230.90

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Solution

The fourth proportional to 236,158.68, 354,307.05 and 76,230.90 is: 114,368.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,158.68 : 354,307.05 = 76,230.90 : x
  2. Step 2: Convert to fraction form
    236,158.68/354,307.05 = 76,230.90/x
  3. Step 3: Cross multiply
    236,158.68x = 354,307.05 × 76,230.90
  4. Step 4: Simplify right side
    236,158.68x = 27,009,145,297.85
  5. Step 5: Solve for x
    x = 27,009,145,297.85/236,158.68
  6. Step 6: Final answer
    x = 114,368.63

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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.