Home / 236,439.54-354,712.77-78,674.22

Finding the Fourth Proportional to 236,439.54, 354,712.77 and 78,674.22

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Solution

The fourth proportional to 236,439.54, 354,712.77 and 78,674.22 is: 118,029.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,439.54 : 354,712.77 = 78,674.22 : x
  2. Step 2: Convert to fraction form
    236,439.54/354,712.77 = 78,674.22/x
  3. Step 3: Cross multiply
    236,439.54x = 354,712.77 × 78,674.22
  4. Step 4: Simplify right side
    236,439.54x = 27,906,750,503.79
  5. Step 5: Solve for x
    x = 27,906,750,503.79/236,439.54
  6. Step 6: Final answer
    x = 118,029.12

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1.5x scale

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.