Home / 105,452.98-145,525.12-57,706.33

Finding the Fourth Proportional to 105,452.98, 145,525.12 and 57,706.33

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Solution

The fourth proportional to 105,452.98, 145,525.12 and 57,706.33 is: 79,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,452.98 : 145,525.12 = 57,706.33 : x
  2. Step 2: Convert to fraction form
    105,452.98/145,525.12 = 57,706.33/x
  3. Step 3: Cross multiply
    105,452.98x = 145,525.12 × 57,706.33
  4. Step 4: Simplify right side
    105,452.98x = 8,397,720,598.01
  5. Step 5: Solve for x
    x = 8,397,720,598.01/105,452.98
  6. Step 6: Final answer
    x = 79,634.74

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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.