Home / 109,119.32-163,678.32-28,066.20

Finding the Fourth Proportional to 109,119.32, 163,678.32 and 28,066.20

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Solution

The fourth proportional to 109,119.32, 163,678.32 and 28,066.20 is: 42,099.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,119.32 : 163,678.32 = 28,066.20 : x
  2. Step 2: Convert to fraction form
    109,119.32/163,678.32 = 28,066.20/x
  3. Step 3: Cross multiply
    109,119.32x = 163,678.32 × 28,066.20
  4. Step 4: Simplify right side
    109,119.32x = 4,593,828,464.78
  5. Step 5: Solve for x
    x = 4,593,828,464.78/109,119.32
  6. Step 6: Final answer
    x = 42,099.13

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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.