Home / 248,108.16-372,140.10-79,582.74

Finding the Fourth Proportional to 248,108.16, 372,140.10 and 79,582.74

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Solution

The fourth proportional to 248,108.16, 372,140.10 and 79,582.74 is: 119,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,108.16 : 372,140.10 = 79,582.74 : x
  2. Step 2: Convert to fraction form
    248,108.16/372,140.10 = 79,582.74/x
  3. Step 3: Cross multiply
    248,108.16x = 372,140.10 × 79,582.74
  4. Step 4: Simplify right side
    248,108.16x = 29,615,928,821.87
  5. Step 5: Solve for x
    x = 29,615,928,821.87/248,108.16
  6. Step 6: Final answer
    x = 119,367.01

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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.