Home / 109,225.62-163,837.49-30,339.72

Finding the Fourth Proportional to 109,225.62, 163,837.49 and 30,339.72

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Solution

The fourth proportional to 109,225.62, 163,837.49 and 30,339.72 is: 45,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,225.62 : 163,837.49 = 30,339.72 : x
  2. Step 2: Convert to fraction form
    109,225.62/163,837.49 = 30,339.72/x
  3. Step 3: Cross multiply
    109,225.62x = 163,837.49 × 30,339.72
  4. Step 4: Simplify right side
    109,225.62x = 4,970,783,420.40
  5. Step 5: Solve for x
    x = 4,970,783,420.40/109,225.62
  6. Step 6: Final answer
    x = 45,509.32

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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.