Home / 251,149.33-346,589.76-136,430.13

Finding the Fourth Proportional to 251,149.33, 346,589.76 and 136,430.13

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Solution

The fourth proportional to 251,149.33, 346,589.76 and 136,430.13 is: 188,275.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,149.33 : 346,589.76 = 136,430.13 : x
  2. Step 2: Convert to fraction form
    251,149.33/346,589.76 = 136,430.13/x
  3. Step 3: Cross multiply
    251,149.33x = 346,589.76 × 136,430.13
  4. Step 4: Simplify right side
    251,149.33x = 47,285,284,280.52
  5. Step 5: Solve for x
    x = 47,285,284,280.52/251,149.33
  6. Step 6: Final answer
    x = 188,275.57

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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.