Home / 155,940.36-233,871.54-61,189.80

Finding the Fourth Proportional to 155,940.36, 233,871.54 and 61,189.80

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Solution

The fourth proportional to 155,940.36, 233,871.54 and 61,189.80 is: 91,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,940.36 : 233,871.54 = 61,189.80 : x
  2. Step 2: Convert to fraction form
    155,940.36/233,871.54 = 61,189.80/x
  3. Step 3: Cross multiply
    155,940.36x = 233,871.54 × 61,189.80
  4. Step 4: Simplify right side
    155,940.36x = 14,310,552,758.29
  5. Step 5: Solve for x
    x = 14,310,552,758.29/155,940.36
  6. Step 6: Final answer
    x = 91,769.40

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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.