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Finding the Fourth Proportional to 192,258.60, 265,290.66 and 107,364.84

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Solution

The fourth proportional to 192,258.60, 265,290.66 and 107,364.84 is: 148,148.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,258.60 : 265,290.66 = 107,364.84 : x
  2. Step 2: Convert to fraction form
    192,258.60/265,290.66 = 107,364.84/x
  3. Step 3: Cross multiply
    192,258.60x = 265,290.66 × 107,364.84
  4. Step 4: Simplify right side
    192,258.60x = 28,482,889,264.39
  5. Step 5: Solve for x
    x = 28,482,889,264.39/192,258.60
  6. Step 6: Final answer
    x = 148,148.84

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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.