Home / 238,452.12-329,089.23-142,967.70

Finding the Fourth Proportional to 238,452.12, 329,089.23 and 142,967.70

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Solution

The fourth proportional to 238,452.12, 329,089.23 and 142,967.70 is: 197,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,452.12 : 329,089.23 = 142,967.70 : x
  2. Step 2: Convert to fraction form
    238,452.12/329,089.23 = 142,967.70/x
  3. Step 3: Cross multiply
    238,452.12x = 329,089.23 × 142,967.70
  4. Step 4: Simplify right side
    238,452.12x = 47,049,130,307.87
  5. Step 5: Solve for x
    x = 47,049,130,307.87/238,452.12
  6. Step 6: Final answer
    x = 197,310.60

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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.