Home / 209,403.54-314,075.67-67,261.17

Finding the Fourth Proportional to 209,403.54, 314,075.67 and 67,261.17

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Solution

The fourth proportional to 209,403.54, 314,075.67 and 67,261.17 is: 100,882.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,403.54 : 314,075.67 = 67,261.17 : x
  2. Step 2: Convert to fraction form
    209,403.54/314,075.67 = 67,261.17/x
  3. Step 3: Cross multiply
    209,403.54x = 314,075.67 × 67,261.17
  4. Step 4: Simplify right side
    209,403.54x = 21,125,097,032.73
  5. Step 5: Solve for x
    x = 21,125,097,032.73/209,403.54
  6. Step 6: Final answer
    x = 100,882.23

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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.