Home / 109,078.85-163,618.41-94,242.89

Finding the Fourth Proportional to 109,078.85, 163,618.41 and 94,242.89

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Solution

The fourth proportional to 109,078.85, 163,618.41 and 94,242.89 is: 141,364.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,078.85 : 163,618.41 = 94,242.89 : x
  2. Step 2: Convert to fraction form
    109,078.85/163,618.41 = 94,242.89/x
  3. Step 3: Cross multiply
    109,078.85x = 163,618.41 × 94,242.89
  4. Step 4: Simplify right side
    109,078.85x = 15,419,871,815.60
  5. Step 5: Solve for x
    x = 15,419,871,815.60/109,078.85
  6. Step 6: Final answer
    x = 141,364.45

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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.