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Finding the Fourth Proportional to 106,416.92, 146,848.62 and 58,670.60

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Solution

The fourth proportional to 106,416.92, 146,848.62 and 58,670.60 is: 80,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,416.92 : 146,848.62 = 58,670.60 : x
  2. Step 2: Convert to fraction form
    106,416.92/146,848.62 = 58,670.60/x
  3. Step 3: Cross multiply
    106,416.92x = 146,848.62 × 58,670.60
  4. Step 4: Simplify right side
    106,416.92x = 8,615,696,644.57
  5. Step 5: Solve for x
    x = 8,615,696,644.57/106,416.92
  6. Step 6: Final answer
    x = 80,961.72

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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.