Home / 140,887.81-210,981.11-98,569.89

Finding the Fourth Proportional to 140,887.81, 210,981.11 and 98,569.89

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Solution

The fourth proportional to 140,887.81, 210,981.11 and 98,569.89 is: 147,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,887.81 : 210,981.11 = 98,569.89 : x
  2. Step 2: Convert to fraction form
    140,887.81/210,981.11 = 98,569.89/x
  3. Step 3: Cross multiply
    140,887.81x = 210,981.11 × 98,569.89
  4. Step 4: Simplify right side
    140,887.81x = 20,796,384,311.93
  5. Step 5: Solve for x
    x = 20,796,384,311.93/140,887.81
  6. Step 6: Final answer
    x = 147,609.54

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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.