Home / 155,525.80-233,115.90-66,764.20

Finding the Fourth Proportional to 155,525.80, 233,115.90 and 66,764.20

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Solution

The fourth proportional to 155,525.80, 233,115.90 and 66,764.20 is: 100,072.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,525.80 : 233,115.90 = 66,764.20 : x
  2. Step 2: Convert to fraction form
    155,525.80/233,115.90 = 66,764.20/x
  3. Step 3: Cross multiply
    155,525.80x = 233,115.90 × 66,764.20
  4. Step 4: Simplify right side
    155,525.80x = 15,563,796,570.78
  5. Step 5: Solve for x
    x = 15,563,796,570.78/155,525.80
  6. Step 6: Final answer
    x = 100,072.12

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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.