Home / 149,006.09-205,544.25-88,596.22

Finding the Fourth Proportional to 149,006.09, 205,544.25 and 88,596.22

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Solution

The fourth proportional to 149,006.09, 205,544.25 and 88,596.22 is: 122,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,006.09 : 205,544.25 = 88,596.22 : x
  2. Step 2: Convert to fraction form
    149,006.09/205,544.25 = 88,596.22/x
  3. Step 3: Cross multiply
    149,006.09x = 205,544.25 × 88,596.22
  4. Step 4: Simplify right side
    149,006.09x = 18,210,442,801.46
  5. Step 5: Solve for x
    x = 18,210,442,801.46/149,006.09
  6. Step 6: Final answer
    x = 122,212.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.