Home / 148,608.07-205,075.60-82,302.63

Finding the Fourth Proportional to 148,608.07, 205,075.60 and 82,302.63

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Solution

The fourth proportional to 148,608.07, 205,075.60 and 82,302.63 is: 113,575.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,608.07 : 205,075.60 = 82,302.63 : x
  2. Step 2: Convert to fraction form
    148,608.07/205,075.60 = 82,302.63/x
  3. Step 3: Cross multiply
    148,608.07x = 205,075.60 × 82,302.63
  4. Step 4: Simplify right side
    148,608.07x = 16,878,261,407.59
  5. Step 5: Solve for x
    x = 16,878,261,407.59/148,608.07
  6. Step 6: Final answer
    x = 113,575.67

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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.