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Finding the Fourth Proportional to 192,364.56, 265,458 and 107,482.32

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Solution

The fourth proportional to 192,364.56, 265,458 and 107,482.32 is: 148,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,364.56 : 265,458 = 107,482.32 : x
  2. Step 2: Convert to fraction form
    192,364.56/265,458 = 107,482.32/x
  3. Step 3: Cross multiply
    192,364.56x = 265,458 × 107,482.32
  4. Step 4: Simplify right side
    192,364.56x = 28,532,041,702.56
  5. Step 5: Solve for x
    x = 28,532,041,702.56/192,364.56
  6. Step 6: Final answer
    x = 148,322.76

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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.