Home / 134,307.30-185,203.35-100,261.18

Finding the Fourth Proportional to 134,307.30, 185,203.35 and 100,261.18

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Solution

The fourth proportional to 134,307.30, 185,203.35 and 100,261.18 is: 138,255.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,307.30 : 185,203.35 = 100,261.18 : x
  2. Step 2: Convert to fraction form
    134,307.30/185,203.35 = 100,261.18/x
  3. Step 3: Cross multiply
    134,307.30x = 185,203.35 × 100,261.18
  4. Step 4: Simplify right side
    134,307.30x = 18,568,706,410.95
  5. Step 5: Solve for x
    x = 18,568,706,410.95/134,307.30
  6. Step 6: Final answer
    x = 138,255.38

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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.