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Finding the Fourth Proportional to 122,017.60, 182,880.60 and 62,822.80

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Solution

The fourth proportional to 122,017.60, 182,880.60 and 62,822.80 is: 94,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,017.60 : 182,880.60 = 62,822.80 : x
  2. Step 2: Convert to fraction form
    122,017.60/182,880.60 = 62,822.80/x
  3. Step 3: Cross multiply
    122,017.60x = 182,880.60 × 62,822.80
  4. Step 4: Simplify right side
    122,017.60x = 11,489,071,357.68
  5. Step 5: Solve for x
    x = 11,489,071,357.68/122,017.60
  6. Step 6: Final answer
    x = 94,159.13

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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.