Home / 145,183.04-217,728.48-46,664

Finding the Fourth Proportional to 145,183.04, 217,728.48 and 46,664

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Solution

The fourth proportional to 145,183.04, 217,728.48 and 46,664 is: 69,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,183.04 : 217,728.48 = 46,664 : x
  2. Step 2: Convert to fraction form
    145,183.04/217,728.48 = 46,664/x
  3. Step 3: Cross multiply
    145,183.04x = 217,728.48 × 46,664
  4. Step 4: Simplify right side
    145,183.04x = 10,160,081,790.72
  5. Step 5: Solve for x
    x = 10,160,081,790.72/145,183.04
  6. Step 6: Final answer
    x = 69,981.19

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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.