Home / 238,415.50-329,013.66-130,985.74

Finding the Fourth Proportional to 238,415.50, 329,013.66 and 130,985.74

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Solution

The fourth proportional to 238,415.50, 329,013.66 and 130,985.74 is: 180,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,415.50 : 329,013.66 = 130,985.74 : x
  2. Step 2: Convert to fraction form
    238,415.50/329,013.66 = 130,985.74/x
  3. Step 3: Cross multiply
    238,415.50x = 329,013.66 × 130,985.74
  4. Step 4: Simplify right side
    238,415.50x = 43,096,097,725.21
  5. Step 5: Solve for x
    x = 43,096,097,725.21/238,415.50
  6. Step 6: Final answer
    x = 180,760.47

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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.