Home / 251,116.34-346,543.09-136,397.22

Finding the Fourth Proportional to 251,116.34, 346,543.09 and 136,397.22

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Solution

The fourth proportional to 251,116.34, 346,543.09 and 136,397.22 is: 188,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,116.34 : 346,543.09 = 136,397.22 : x
  2. Step 2: Convert to fraction form
    251,116.34/346,543.09 = 136,397.22/x
  3. Step 3: Cross multiply
    251,116.34x = 346,543.09 × 136,397.22
  4. Step 4: Simplify right side
    251,116.34x = 47,267,513,404.22
  5. Step 5: Solve for x
    x = 47,267,513,404.22/251,116.34
  6. Step 6: Final answer
    x = 188,229.54

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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.