Home / 109,054.78-163,582.15-30,166.95

Finding the Fourth Proportional to 109,054.78, 163,582.15 and 30,166.95

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Solution

The fourth proportional to 109,054.78, 163,582.15 and 30,166.95 is: 45,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,054.78 : 163,582.15 = 30,166.95 : x
  2. Step 2: Convert to fraction form
    109,054.78/163,582.15 = 30,166.95/x
  3. Step 3: Cross multiply
    109,054.78x = 163,582.15 × 30,166.95
  4. Step 4: Simplify right side
    109,054.78x = 4,934,774,539.94
  5. Step 5: Solve for x
    x = 4,934,774,539.94/109,054.78
  6. Step 6: Final answer
    x = 45,250.42

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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.