Home / 251,033.50-346,428.66-137,858.68

Finding the Fourth Proportional to 251,033.50, 346,428.66 and 137,858.68

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Solution

The fourth proportional to 251,033.50, 346,428.66 and 137,858.68 is: 190,246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,033.50 : 346,428.66 = 137,858.68 : x
  2. Step 2: Convert to fraction form
    251,033.50/346,428.66 = 137,858.68/x
  3. Step 3: Cross multiply
    251,033.50x = 346,428.66 × 137,858.68
  4. Step 4: Simplify right side
    251,033.50x = 47,758,197,781.77
  5. Step 5: Solve for x
    x = 47,758,197,781.77/251,033.50
  6. Step 6: Final answer
    x = 190,246.31

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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.