Home / 139,966.20-210,014.10-73,481.40

Finding the Fourth Proportional to 139,966.20, 210,014.10 and 73,481.40

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Solution

The fourth proportional to 139,966.20, 210,014.10 and 73,481.40 is: 110,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,966.20 : 210,014.10 = 73,481.40 : x
  2. Step 2: Convert to fraction form
    139,966.20/210,014.10 = 73,481.40/x
  3. Step 3: Cross multiply
    139,966.20x = 210,014.10 × 73,481.40
  4. Step 4: Simplify right side
    139,966.20x = 15,432,130,087.74
  5. Step 5: Solve for x
    x = 15,432,130,087.74/139,966.20
  6. Step 6: Final answer
    x = 110,256.12

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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.