Home / 155,918.20-233,723.70-77,044.60

Finding the Fourth Proportional to 155,918.20, 233,723.70 and 77,044.60

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Solution

The fourth proportional to 155,918.20, 233,723.70 and 77,044.60 is: 115,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,918.20 : 233,723.70 = 77,044.60 : x
  2. Step 2: Convert to fraction form
    155,918.20/233,723.70 = 77,044.60/x
  3. Step 3: Cross multiply
    155,918.20x = 233,723.70 × 77,044.60
  4. Step 4: Simplify right side
    155,918.20x = 18,007,148,977.02
  5. Step 5: Solve for x
    x = 18,007,148,977.02/155,918.20
  6. Step 6: Final answer
    x = 115,491.00

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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.