Home / 209,389.81-313,957.87-93,963.13

Finding the Fourth Proportional to 209,389.81, 313,957.87 and 93,963.13

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Solution

The fourth proportional to 209,389.81, 313,957.87 and 93,963.13 is: 140,887.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,389.81 : 313,957.87 = 93,963.13 : x
  2. Step 2: Convert to fraction form
    209,389.81/313,957.87 = 93,963.13/x
  3. Step 3: Cross multiply
    209,389.81x = 313,957.87 × 93,963.13
  4. Step 4: Simplify right side
    209,389.81x = 29,500,464,153.33
  5. Step 5: Solve for x
    x = 29,500,464,153.33/209,389.81
  6. Step 6: Final answer
    x = 140,887.77

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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.