Home / 109,261.36-163,891.62-49,219.55

Finding the Fourth Proportional to 109,261.36, 163,891.62 and 49,219.55

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Solution

The fourth proportional to 109,261.36, 163,891.62 and 49,219.55 is: 73,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,261.36 : 163,891.62 = 49,219.55 : x
  2. Step 2: Convert to fraction form
    109,261.36/163,891.62 = 49,219.55/x
  3. Step 3: Cross multiply
    109,261.36x = 163,891.62 × 49,219.55
  4. Step 4: Simplify right side
    109,261.36x = 8,066,671,580.31
  5. Step 5: Solve for x
    x = 8,066,671,580.31/109,261.36
  6. Step 6: Final answer
    x = 73,829.14

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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.