Home / 251,215.09-346,676.75-138,045.13

Finding the Fourth Proportional to 251,215.09, 346,676.75 and 138,045.13

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Solution

The fourth proportional to 251,215.09, 346,676.75 and 138,045.13 is: 190,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,215.09 : 346,676.75 = 138,045.13 : x
  2. Step 2: Convert to fraction form
    251,215.09/346,676.75 = 138,045.13/x
  3. Step 3: Cross multiply
    251,215.09x = 346,676.75 × 138,045.13
  4. Step 4: Simplify right side
    251,215.09x = 47,857,036,331.50
  5. Step 5: Solve for x
    x = 47,857,036,331.50/251,215.09
  6. Step 6: Final answer
    x = 190,502.24

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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.