Home / 238,081.42-328,556.36-130,661.45

Finding the Fourth Proportional to 238,081.42, 328,556.36 and 130,661.45

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Solution

The fourth proportional to 238,081.42, 328,556.36 and 130,661.45 is: 180,314.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,081.42 : 328,556.36 = 130,661.45 : x
  2. Step 2: Convert to fraction form
    238,081.42/328,556.36 = 130,661.45/x
  3. Step 3: Cross multiply
    238,081.42x = 328,556.36 × 130,661.45
  4. Step 4: Simplify right side
    238,081.42x = 42,929,648,108.23
  5. Step 5: Solve for x
    x = 42,929,648,108.23/238,081.42
  6. Step 6: Final answer
    x = 180,314.99

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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.