Home / 137,948.76-190,344.19-103,946.38

Finding the Fourth Proportional to 137,948.76, 190,344.19 and 103,946.38

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Solution

The fourth proportional to 137,948.76, 190,344.19 and 103,946.38 is: 143,427.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,948.76 : 190,344.19 = 103,946.38 : x
  2. Step 2: Convert to fraction form
    137,948.76/190,344.19 = 103,946.38/x
  3. Step 3: Cross multiply
    137,948.76x = 190,344.19 × 103,946.38
  4. Step 4: Simplify right side
    137,948.76x = 19,785,589,504.53
  5. Step 5: Solve for x
    x = 19,785,589,504.53/137,948.76
  6. Step 6: Final answer
    x = 143,427.09

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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.