Home / 140,450.04-193,821.02-76,787.82

Finding the Fourth Proportional to 140,450.04, 193,821.02 and 76,787.82

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Solution

The fourth proportional to 140,450.04, 193,821.02 and 76,787.82 is: 105,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,450.04 : 193,821.02 = 76,787.82 : x
  2. Step 2: Convert to fraction form
    140,450.04/193,821.02 = 76,787.82/x
  3. Step 3: Cross multiply
    140,450.04x = 193,821.02 × 76,787.82
  4. Step 4: Simplify right side
    140,450.04x = 14,883,093,595.98
  5. Step 5: Solve for x
    x = 14,883,093,595.98/140,450.04
  6. Step 6: Final answer
    x = 105,967.17

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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.