Home / 251,037.43-346,431.63-136,315.51

Finding the Fourth Proportional to 251,037.43, 346,431.63 and 136,315.51

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Solution

The fourth proportional to 251,037.43, 346,431.63 and 136,315.51 is: 188,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,037.43 : 346,431.63 = 136,315.51 : x
  2. Step 2: Convert to fraction form
    251,037.43/346,431.63 = 136,315.51/x
  3. Step 3: Cross multiply
    251,037.43x = 346,431.63 × 136,315.51
  4. Step 4: Simplify right side
    251,037.43x = 47,224,003,968.69
  5. Step 5: Solve for x
    x = 47,224,003,968.69/251,037.43
  6. Step 6: Final answer
    x = 188,115.39

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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.