Home / 109,208.15-163,851.63-38,141.25

Finding the Fourth Proportional to 109,208.15, 163,851.63 and 38,141.25

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Solution

The fourth proportional to 109,208.15, 163,851.63 and 38,141.25 is: 57,225.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,208.15 : 163,851.63 = 38,141.25 : x
  2. Step 2: Convert to fraction form
    109,208.15/163,851.63 = 38,141.25/x
  3. Step 3: Cross multiply
    109,208.15x = 163,851.63 × 38,141.25
  4. Step 4: Simplify right side
    109,208.15x = 6,249,505,982.74
  5. Step 5: Solve for x
    x = 6,249,505,982.74/109,208.15
  6. Step 6: Final answer
    x = 57,225.64

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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.