Home / 248,143.10-372,214.65-153,664.70

Finding the Fourth Proportional to 248,143.10, 372,214.65 and 153,664.70

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Solution

The fourth proportional to 248,143.10, 372,214.65 and 153,664.70 is: 230,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,143.10 : 372,214.65 = 153,664.70 : x
  2. Step 2: Convert to fraction form
    248,143.10/372,214.65 = 153,664.70/x
  3. Step 3: Cross multiply
    248,143.10x = 372,214.65 × 153,664.70
  4. Step 4: Simplify right side
    248,143.10x = 57,196,252,527.86
  5. Step 5: Solve for x
    x = 57,196,252,527.86/248,143.10
  6. Step 6: Final answer
    x = 230,497.05

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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.