Home / 109,199.09-163,838.04-38,132.19

Finding the Fourth Proportional to 109,199.09, 163,838.04 and 38,132.19

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Solution

The fourth proportional to 109,199.09, 163,838.04 and 38,132.19 is: 57,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,199.09 : 163,838.04 = 38,132.19 : x
  2. Step 2: Convert to fraction form
    109,199.09/163,838.04 = 38,132.19/x
  3. Step 3: Cross multiply
    109,199.09x = 163,838.04 × 38,132.19
  4. Step 4: Simplify right side
    109,199.09x = 6,247,503,270.51
  5. Step 5: Solve for x
    x = 6,247,503,270.51/109,199.09
  6. Step 6: Final answer
    x = 57,212.05

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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.