Home / 247,002.40-340,863.60-133,825.12

Finding the Fourth Proportional to 247,002.40, 340,863.60 and 133,825.12

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Solution

The fourth proportional to 247,002.40, 340,863.60 and 133,825.12 is: 184,678.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,002.40 : 340,863.60 = 133,825.12 : x
  2. Step 2: Convert to fraction form
    247,002.40/340,863.60 = 133,825.12/x
  3. Step 3: Cross multiply
    247,002.40x = 340,863.60 × 133,825.12
  4. Step 4: Simplify right side
    247,002.40x = 45,616,112,173.63
  5. Step 5: Solve for x
    x = 45,616,112,173.63/247,002.40
  6. Step 6: Final answer
    x = 184,678.82

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1.5x scale

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.