Home / 269,987.04-372,585.69-149,128.02

Finding the Fourth Proportional to 269,987.04, 372,585.69 and 149,128.02

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Solution

The fourth proportional to 269,987.04, 372,585.69 and 149,128.02 is: 205,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,987.04 : 372,585.69 = 149,128.02 : x
  2. Step 2: Convert to fraction form
    269,987.04/372,585.69 = 149,128.02/x
  3. Step 3: Cross multiply
    269,987.04x = 372,585.69 × 149,128.02
  4. Step 4: Simplify right side
    269,987.04x = 55,562,966,230.03
  5. Step 5: Solve for x
    x = 55,562,966,230.03/269,987.04
  6. Step 6: Final answer
    x = 205,798.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.