Home / 238,970.50-329,740.69-136,977.18

Finding the Fourth Proportional to 238,970.50, 329,740.69 and 136,977.18

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Solution

The fourth proportional to 238,970.50, 329,740.69 and 136,977.18 is: 189,006.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,970.50 : 329,740.69 = 136,977.18 : x
  2. Step 2: Convert to fraction form
    238,970.50/329,740.69 = 136,977.18/x
  3. Step 3: Cross multiply
    238,970.50x = 329,740.69 × 136,977.18
  4. Step 4: Simplify right side
    238,970.50x = 45,166,949,847.45
  5. Step 5: Solve for x
    x = 45,166,949,847.45/238,970.50
  6. Step 6: Final answer
    x = 189,006.38

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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.