Home / 122,331.20-183,496.80-118,054.40

Finding the Fourth Proportional to 122,331.20, 183,496.80 and 118,054.40

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Solution

The fourth proportional to 122,331.20, 183,496.80 and 118,054.40 is: 177,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,331.20 : 183,496.80 = 118,054.40 : x
  2. Step 2: Convert to fraction form
    122,331.20/183,496.80 = 118,054.40/x
  3. Step 3: Cross multiply
    122,331.20x = 183,496.80 × 118,054.40
  4. Step 4: Simplify right side
    122,331.20x = 21,662,604,625.92
  5. Step 5: Solve for x
    x = 21,662,604,625.92/122,331.20
  6. Step 6: Final answer
    x = 177,081.60

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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.