Home / 155,319.24-232,637.37-128,359.69

Finding the Fourth Proportional to 155,319.24, 232,637.37 and 128,359.69

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Solution

The fourth proportional to 155,319.24, 232,637.37 and 128,359.69 is: 192,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,319.24 : 232,637.37 = 128,359.69 : x
  2. Step 2: Convert to fraction form
    155,319.24/232,637.37 = 128,359.69/x
  3. Step 3: Cross multiply
    155,319.24x = 232,637.37 × 128,359.69
  4. Step 4: Simplify right side
    155,319.24x = 29,861,259,532.43
  5. Step 5: Solve for x
    x = 29,861,259,532.43/155,319.24
  6. Step 6: Final answer
    x = 192,257.31

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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.