Home / 140,096.72-210,206.64-73,521.20

Finding the Fourth Proportional to 140,096.72, 210,206.64 and 73,521.20

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Solution

The fourth proportional to 140,096.72, 210,206.64 and 73,521.20 is: 110,314.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,096.72 : 210,206.64 = 73,521.20 : x
  2. Step 2: Convert to fraction form
    140,096.72/210,206.64 = 73,521.20/x
  3. Step 3: Cross multiply
    140,096.72x = 210,206.64 × 73,521.20
  4. Step 4: Simplify right side
    140,096.72x = 15,454,644,420.77
  5. Step 5: Solve for x
    x = 15,454,644,420.77/140,096.72
  6. Step 6: Final answer
    x = 110,314.11

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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.