Home / 251,056.85-346,457.05-136,334.39

Finding the Fourth Proportional to 251,056.85, 346,457.05 and 136,334.39

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Solution

The fourth proportional to 251,056.85, 346,457.05 and 136,334.39 is: 188,140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,056.85 : 346,457.05 = 136,334.39 : x
  2. Step 2: Convert to fraction form
    251,056.85/346,457.05 = 136,334.39/x
  3. Step 3: Cross multiply
    251,056.85x = 346,457.05 × 136,334.39
  4. Step 4: Simplify right side
    251,056.85x = 47,234,008,499.83
  5. Step 5: Solve for x
    x = 47,234,008,499.83/251,056.85
  6. Step 6: Final answer
    x = 188,140.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.