Home / 124,525.89-171,858.97-76,156.12

Finding the Fourth Proportional to 124,525.89, 171,858.97 and 76,156.12

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Solution

The fourth proportional to 124,525.89, 171,858.97 and 76,156.12 is: 105,103.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,525.89 : 171,858.97 = 76,156.12 : x
  2. Step 2: Convert to fraction form
    124,525.89/171,858.97 = 76,156.12/x
  3. Step 3: Cross multiply
    124,525.89x = 171,858.97 × 76,156.12
  4. Step 4: Simplify right side
    124,525.89x = 13,088,112,624.93
  5. Step 5: Solve for x
    x = 13,088,112,624.93/124,525.89
  6. Step 6: Final answer
    x = 105,103.54

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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.