Home / 124,109.44-171,216.12-76,334.56

Finding the Fourth Proportional to 124,109.44, 171,216.12 and 76,334.56

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Solution

The fourth proportional to 124,109.44, 171,216.12 and 76,334.56 is: 105,307.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,109.44 : 171,216.12 = 76,334.56 : x
  2. Step 2: Convert to fraction form
    124,109.44/171,216.12 = 76,334.56/x
  3. Step 3: Cross multiply
    124,109.44x = 171,216.12 × 76,334.56
  4. Step 4: Simplify right side
    124,109.44x = 13,069,707,185.11
  5. Step 5: Solve for x
    x = 13,069,707,185.11/124,109.44
  6. Step 6: Final answer
    x = 105,307.92

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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.