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Finding the Fourth Proportional to 98,100.60, 146,859.30 and 58,637.40

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Solution

The fourth proportional to 98,100.60, 146,859.30 and 58,637.40 is: 87,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,100.60 : 146,859.30 = 58,637.40 : x
  2. Step 2: Convert to fraction form
    98,100.60/146,859.30 = 58,637.40/x
  3. Step 3: Cross multiply
    98,100.60x = 146,859.30 × 58,637.40
  4. Step 4: Simplify right side
    98,100.60x = 8,611,447,517.82
  5. Step 5: Solve for x
    x = 8,611,447,517.82/98,100.60
  6. Step 6: Final answer
    x = 87,781.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.