Home / 109,111.68-163,667.54-30,225.95

Finding the Fourth Proportional to 109,111.68, 163,667.54 and 30,225.95

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Solution

The fourth proportional to 109,111.68, 163,667.54 and 30,225.95 is: 45,338.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,111.68 : 163,667.54 = 30,225.95 : x
  2. Step 2: Convert to fraction form
    109,111.68/163,667.54 = 30,225.95/x
  3. Step 3: Cross multiply
    109,111.68x = 163,667.54 × 30,225.95
  4. Step 4: Simplify right side
    109,111.68x = 4,947,006,880.66
  5. Step 5: Solve for x
    x = 4,947,006,880.66/109,111.68
  6. Step 6: Final answer
    x = 45,338.93

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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.