Home / 140,075.93-209,021.37-124,979.26

Finding the Fourth Proportional to 140,075.93, 209,021.37 and 124,979.26

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Solution

The fourth proportional to 140,075.93, 209,021.37 and 124,979.26 is: 186,494.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,075.93 : 209,021.37 = 124,979.26 : x
  2. Step 2: Convert to fraction form
    140,075.93/209,021.37 = 124,979.26/x
  3. Step 3: Cross multiply
    140,075.93x = 209,021.37 × 124,979.26
  4. Step 4: Simplify right side
    140,075.93x = 26,123,334,789.23
  5. Step 5: Solve for x
    x = 26,123,334,789.23/140,075.93
  6. Step 6: Final answer
    x = 186,494.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.