Home / 140,075.48-209,938.26-90,022.34

Finding the Fourth Proportional to 140,075.48, 209,938.26 and 90,022.34

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Solution

The fourth proportional to 140,075.48, 209,938.26 and 90,022.34 is: 134,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,075.48 : 209,938.26 = 90,022.34 : x
  2. Step 2: Convert to fraction form
    140,075.48/209,938.26 = 90,022.34/x
  3. Step 3: Cross multiply
    140,075.48x = 209,938.26 × 90,022.34
  4. Step 4: Simplify right side
    140,075.48x = 18,899,133,420.73
  5. Step 5: Solve for x
    x = 18,899,133,420.73/140,075.48
  6. Step 6: Final answer
    x = 134,921.07

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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.