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Finding the Fourth Proportional to 101,841.60, 152,762.40 and 93,086.40

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Solution

The fourth proportional to 101,841.60, 152,762.40 and 93,086.40 is: 139,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,841.60 : 152,762.40 = 93,086.40 : x
  2. Step 2: Convert to fraction form
    101,841.60/152,762.40 = 93,086.40/x
  3. Step 3: Cross multiply
    101,841.60x = 152,762.40 × 93,086.40
  4. Step 4: Simplify right side
    101,841.60x = 14,220,101,871.36
  5. Step 5: Solve for x
    x = 14,220,101,871.36/101,841.60
  6. Step 6: Final answer
    x = 139,629.60

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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.