Home / 140,258.49-193,534.11-79,830.16

Finding the Fourth Proportional to 140,258.49, 193,534.11 and 79,830.16

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Solution

The fourth proportional to 140,258.49, 193,534.11 and 79,830.16 is: 110,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,258.49 : 193,534.11 = 79,830.16 : x
  2. Step 2: Convert to fraction form
    140,258.49/193,534.11 = 79,830.16/x
  3. Step 3: Cross multiply
    140,258.49x = 193,534.11 × 79,830.16
  4. Step 4: Simplify right side
    140,258.49x = 15,449,858,482.92
  5. Step 5: Solve for x
    x = 15,449,858,482.92/140,258.49
  6. Step 6: Final answer
    x = 110,152.75

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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.