Home / 247,740.90-342,024.30-163,104

Finding the Fourth Proportional to 247,740.90, 342,024.30 and 163,104

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Solution

The fourth proportional to 247,740.90, 342,024.30 and 163,104 is: 225,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,740.90 : 342,024.30 = 163,104 : x
  2. Step 2: Convert to fraction form
    247,740.90/342,024.30 = 163,104/x
  3. Step 3: Cross multiply
    247,740.90x = 342,024.30 × 163,104
  4. Step 4: Simplify right side
    247,740.90x = 55,785,531,427.20
  5. Step 5: Solve for x
    x = 55,785,531,427.20/247,740.90
  6. Step 6: Final answer
    x = 225,176.91

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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.