Home / 140,968.92-194,537.36-77,307.16

Finding the Fourth Proportional to 140,968.92, 194,537.36 and 77,307.16

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Solution

The fourth proportional to 140,968.92, 194,537.36 and 77,307.16 is: 106,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,968.92 : 194,537.36 = 77,307.16 : x
  2. Step 2: Convert to fraction form
    140,968.92/194,537.36 = 77,307.16/x
  3. Step 3: Cross multiply
    140,968.92x = 194,537.36 × 77,307.16
  4. Step 4: Simplify right side
    140,968.92x = 15,039,130,815.50
  5. Step 5: Solve for x
    x = 15,039,130,815.50/140,968.92
  6. Step 6: Final answer
    x = 106,684.02

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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.