Home / 124,601.40-171,948.78-76,835.64

Finding the Fourth Proportional to 124,601.40, 171,948.78 and 76,835.64

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Solution

The fourth proportional to 124,601.40, 171,948.78 and 76,835.64 is: 106,032.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,601.40 : 171,948.78 = 76,835.64 : x
  2. Step 2: Convert to fraction form
    124,601.40/171,948.78 = 76,835.64/x
  3. Step 3: Cross multiply
    124,601.40x = 171,948.78 × 76,835.64
  4. Step 4: Simplify right side
    124,601.40x = 13,211,794,558.52
  5. Step 5: Solve for x
    x = 13,211,794,558.52/124,601.40
  6. Step 6: Final answer
    x = 106,032.47

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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.