Home / 140,270.24-210,457.20-51,581.72

Finding the Fourth Proportional to 140,270.24, 210,457.20 and 51,581.72

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Solution

The fourth proportional to 140,270.24, 210,457.20 and 51,581.72 is: 77,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,270.24 : 210,457.20 = 51,581.72 : x
  2. Step 2: Convert to fraction form
    140,270.24/210,457.20 = 51,581.72/x
  3. Step 3: Cross multiply
    140,270.24x = 210,457.20 × 51,581.72
  4. Step 4: Simplify right side
    140,270.24x = 10,855,744,362.38
  5. Step 5: Solve for x
    x = 10,855,744,362.38/140,270.24
  6. Step 6: Final answer
    x = 77,391.64

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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.