Home / 251,034.67-346,430.07-137,858.23

Finding the Fourth Proportional to 251,034.67, 346,430.07 and 137,858.23

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Solution

The fourth proportional to 251,034.67, 346,430.07 and 137,858.23 is: 190,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,034.67 : 346,430.07 = 137,858.23 : x
  2. Step 2: Convert to fraction form
    251,034.67/346,430.07 = 137,858.23/x
  3. Step 3: Cross multiply
    251,034.67x = 346,430.07 × 137,858.23
  4. Step 4: Simplify right side
    251,034.67x = 47,758,236,268.98
  5. Step 5: Solve for x
    x = 47,758,236,268.98/251,034.67
  6. Step 6: Final answer
    x = 190,245.58

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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.