Home / 188,290.04-259,839.93-103,407.09

Finding the Fourth Proportional to 188,290.04, 259,839.93 and 103,407.09

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Solution

The fourth proportional to 188,290.04, 259,839.93 and 103,407.09 is: 142,701.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,290.04 : 259,839.93 = 103,407.09 : x
  2. Step 2: Convert to fraction form
    188,290.04/259,839.93 = 103,407.09/x
  3. Step 3: Cross multiply
    188,290.04x = 259,839.93 × 103,407.09
  4. Step 4: Simplify right side
    188,290.04x = 26,869,291,027.10
  5. Step 5: Solve for x
    x = 26,869,291,027.10/188,290.04
  6. Step 6: Final answer
    x = 142,701.61

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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.