Home / 238,423.50-329,012.67-142,911.66

Finding the Fourth Proportional to 238,423.50, 329,012.67 and 142,911.66

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Solution

The fourth proportional to 238,423.50, 329,012.67 and 142,911.66 is: 197,211.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,423.50 : 329,012.67 = 142,911.66 : x
  2. Step 2: Convert to fraction form
    238,423.50/329,012.67 = 142,911.66/x
  3. Step 3: Cross multiply
    238,423.50x = 329,012.67 × 142,911.66
  4. Step 4: Simplify right side
    238,423.50x = 47,019,746,830.73
  5. Step 5: Solve for x
    x = 47,019,746,830.73/238,423.50
  6. Step 6: Final answer
    x = 197,211.04

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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.