Home / 109,189.29-163,729.26-34,308.45

Finding the Fourth Proportional to 109,189.29, 163,729.26 and 34,308.45

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Solution

The fourth proportional to 109,189.29, 163,729.26 and 34,308.45 is: 51,445.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,189.29 : 163,729.26 = 34,308.45 : x
  2. Step 2: Convert to fraction form
    109,189.29/163,729.26 = 34,308.45/x
  3. Step 3: Cross multiply
    109,189.29x = 163,729.26 × 34,308.45
  4. Step 4: Simplify right side
    109,189.29x = 5,617,297,130.25
  5. Step 5: Solve for x
    x = 5,617,297,130.25/109,189.29
  6. Step 6: Final answer
    x = 51,445.50

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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.