Home / 141,737.22-195,597.36-78,075.02

Finding the Fourth Proportional to 141,737.22, 195,597.36 and 78,075.02

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Solution

The fourth proportional to 141,737.22, 195,597.36 and 78,075.02 is: 107,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,737.22 : 195,597.36 = 78,075.02 : x
  2. Step 2: Convert to fraction form
    141,737.22/195,597.36 = 78,075.02/x
  3. Step 3: Cross multiply
    141,737.22x = 195,597.36 × 78,075.02
  4. Step 4: Simplify right side
    141,737.22x = 15,271,267,793.95
  5. Step 5: Solve for x
    x = 15,271,267,793.95/141,737.22
  6. Step 6: Final answer
    x = 107,743.53

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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.