Home / 188,032.42-259,480.29-103,148.74

Finding the Fourth Proportional to 188,032.42, 259,480.29 and 103,148.74

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Solution

The fourth proportional to 188,032.42, 259,480.29 and 103,148.74 is: 142,342.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,032.42 : 259,480.29 = 103,148.74 : x
  2. Step 2: Convert to fraction form
    188,032.42/259,480.29 = 103,148.74/x
  3. Step 3: Cross multiply
    188,032.42x = 259,480.29 × 103,148.74
  4. Step 4: Simplify right side
    188,032.42x = 26,765,064,968.33
  5. Step 5: Solve for x
    x = 26,765,064,968.33/188,032.42
  6. Step 6: Final answer
    x = 142,342.82

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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.