Home / 140,602.95-194,032.04-76,940.73

Finding the Fourth Proportional to 140,602.95, 194,032.04 and 76,940.73

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Solution

The fourth proportional to 140,602.95, 194,032.04 and 76,940.73 is: 106,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,602.95 : 194,032.04 = 76,940.73 : x
  2. Step 2: Convert to fraction form
    140,602.95/194,032.04 = 76,940.73/x
  3. Step 3: Cross multiply
    140,602.95x = 194,032.04 × 76,940.73
  4. Step 4: Simplify right side
    140,602.95x = 14,928,966,416.29
  5. Step 5: Solve for x
    x = 14,928,966,416.29/140,602.95
  6. Step 6: Final answer
    x = 106,178.19

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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.