Home / 251,057.32-346,457.70-136,338.28

Finding the Fourth Proportional to 251,057.32, 346,457.70 and 136,338.28

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Solution

The fourth proportional to 251,057.32, 346,457.70 and 136,338.28 is: 188,146.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,057.32 : 346,457.70 = 136,338.28 : x
  2. Step 2: Convert to fraction form
    251,057.32/346,457.70 = 136,338.28/x
  3. Step 3: Cross multiply
    251,057.32x = 346,457.70 × 136,338.28
  4. Step 4: Simplify right side
    251,057.32x = 47,235,446,910.76
  5. Step 5: Solve for x
    x = 47,235,446,910.76/251,057.32
  6. Step 6: Final answer
    x = 188,146.07

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1.5x scale

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.