Home / 136,673.19-188,602.97-100,850.13

Finding the Fourth Proportional to 136,673.19, 188,602.97 and 100,850.13

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Solution

The fourth proportional to 136,673.19, 188,602.97 and 100,850.13 is: 139,168.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,673.19 : 188,602.97 = 100,850.13 : x
  2. Step 2: Convert to fraction form
    136,673.19/188,602.97 = 100,850.13/x
  3. Step 3: Cross multiply
    136,673.19x = 188,602.97 × 100,850.13
  4. Step 4: Simplify right side
    136,673.19x = 19,020,633,538.64
  5. Step 5: Solve for x
    x = 19,020,633,538.64/136,673.19
  6. Step 6: Final answer
    x = 139,168.72

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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.