Home / 251,045.84-346,447.42-136,324.72

Finding the Fourth Proportional to 251,045.84, 346,447.42 and 136,324.72

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Solution

The fourth proportional to 251,045.84, 346,447.42 and 136,324.72 is: 188,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,045.84 : 346,447.42 = 136,324.72 : x
  2. Step 2: Convert to fraction form
    251,045.84/346,447.42 = 136,324.72/x
  3. Step 3: Cross multiply
    251,045.84x = 346,447.42 × 136,324.72
  4. Step 4: Simplify right side
    251,045.84x = 47,229,347,526.22
  5. Step 5: Solve for x
    x = 47,229,347,526.22/251,045.84
  6. Step 6: Final answer
    x = 188,130.37

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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.