Home / 131,994.54-182,141.58-74,639.72

Finding the Fourth Proportional to 131,994.54, 182,141.58 and 74,639.72

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Solution

The fourth proportional to 131,994.54, 182,141.58 and 74,639.72 is: 102,996.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,994.54 : 182,141.58 = 74,639.72 : x
  2. Step 2: Convert to fraction form
    131,994.54/182,141.58 = 74,639.72/x
  3. Step 3: Cross multiply
    131,994.54x = 182,141.58 × 74,639.72
  4. Step 4: Simplify right side
    131,994.54x = 13,594,996,158.36
  5. Step 5: Solve for x
    x = 13,594,996,158.36/131,994.54
  6. Step 6: Final answer
    x = 102,996.66

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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.