Home / 140,261.85-193,558.28-76,599.90

Finding the Fourth Proportional to 140,261.85, 193,558.28 and 76,599.90

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Solution

The fourth proportional to 140,261.85, 193,558.28 and 76,599.90 is: 105,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,261.85 : 193,558.28 = 76,599.90 : x
  2. Step 2: Convert to fraction form
    140,261.85/193,558.28 = 76,599.90/x
  3. Step 3: Cross multiply
    140,261.85x = 193,558.28 × 76,599.90
  4. Step 4: Simplify right side
    140,261.85x = 14,826,544,509.17
  5. Step 5: Solve for x
    x = 14,826,544,509.17/140,261.85
  6. Step 6: Final answer
    x = 105,706.18

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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.