Home / 109,869.70-164,804.55-72,933.70

Finding the Fourth Proportional to 109,869.70, 164,804.55 and 72,933.70

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Solution

The fourth proportional to 109,869.70, 164,804.55 and 72,933.70 is: 109,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,869.70 : 164,804.55 = 72,933.70 : x
  2. Step 2: Convert to fraction form
    109,869.70/164,804.55 = 72,933.70/x
  3. Step 3: Cross multiply
    109,869.70x = 164,804.55 × 72,933.70
  4. Step 4: Simplify right side
    109,869.70x = 12,019,805,608.34
  5. Step 5: Solve for x
    x = 12,019,805,608.34/109,869.70
  6. Step 6: Final answer
    x = 109,400.55

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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.