Home / 109,041.36-163,561.68-30,155.04

Finding the Fourth Proportional to 109,041.36, 163,561.68 and 30,155.04

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Solution

The fourth proportional to 109,041.36, 163,561.68 and 30,155.04 is: 45,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,041.36 : 163,561.68 = 30,155.04 : x
  2. Step 2: Convert to fraction form
    109,041.36/163,561.68 = 30,155.04/x
  3. Step 3: Cross multiply
    109,041.36x = 163,561.68 × 30,155.04
  4. Step 4: Simplify right side
    109,041.36x = 4,932,209,002.87
  5. Step 5: Solve for x
    x = 4,932,209,002.87/109,041.36
  6. Step 6: Final answer
    x = 45,232.46

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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.