Home / 103,040.10-154,486.35-39,806.10

Finding the Fourth Proportional to 103,040.10, 154,486.35 and 39,806.10

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Solution

The fourth proportional to 103,040.10, 154,486.35 and 39,806.10 is: 59,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,040.10 : 154,486.35 = 39,806.10 : x
  2. Step 2: Convert to fraction form
    103,040.10/154,486.35 = 39,806.10/x
  3. Step 3: Cross multiply
    103,040.10x = 154,486.35 × 39,806.10
  4. Step 4: Simplify right side
    103,040.10x = 6,149,499,096.74
  5. Step 5: Solve for x
    x = 6,149,499,096.74/103,040.10
  6. Step 6: Final answer
    x = 59,680.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.