Home / 102,075.72-153,144.68-52,190.86

Finding the Fourth Proportional to 102,075.72, 153,144.68 and 52,190.86

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Solution

The fourth proportional to 102,075.72, 153,144.68 and 52,190.86 is: 78,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,075.72 : 153,144.68 = 52,190.86 : x
  2. Step 2: Convert to fraction form
    102,075.72/153,144.68 = 52,190.86/x
  3. Step 3: Cross multiply
    102,075.72x = 153,144.68 × 52,190.86
  4. Step 4: Simplify right side
    102,075.72x = 7,992,751,766.24
  5. Step 5: Solve for x
    x = 7,992,751,766.24/102,075.72
  6. Step 6: Final answer
    x = 78,302.18

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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.