Home / 238,081.26-328,556.18-130,661.30

Finding the Fourth Proportional to 238,081.26, 328,556.18 and 130,661.30

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Solution

The fourth proportional to 238,081.26, 328,556.18 and 130,661.30 is: 180,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,081.26 : 328,556.18 = 130,661.30 : x
  2. Step 2: Convert to fraction form
    238,081.26/328,556.18 = 130,661.30/x
  3. Step 3: Cross multiply
    238,081.26x = 328,556.18 × 130,661.30
  4. Step 4: Simplify right side
    238,081.26x = 42,929,577,601.83
  5. Step 5: Solve for x
    x = 42,929,577,601.83/238,081.26
  6. Step 6: Final answer
    x = 180,314.81

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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.