Home / 140,075.87-193,304.44-76,413.65

Finding the Fourth Proportional to 140,075.87, 193,304.44 and 76,413.65

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Solution

The fourth proportional to 140,075.87, 193,304.44 and 76,413.65 is: 105,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,075.87 : 193,304.44 = 76,413.65 : x
  2. Step 2: Convert to fraction form
    140,075.87/193,304.44 = 76,413.65/x
  3. Step 3: Cross multiply
    140,075.87x = 193,304.44 × 76,413.65
  4. Step 4: Simplify right side
    140,075.87x = 14,771,097,821.61
  5. Step 5: Solve for x
    x = 14,771,097,821.61/140,075.87
  6. Step 6: Final answer
    x = 105,450.69

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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.