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Finding the Fourth Proportional to 95,914.40, 144,022.80 and 56,501.60

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Solution

The fourth proportional to 95,914.40, 144,022.80 and 56,501.60 is: 84,841.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,914.40 : 144,022.80 = 56,501.60 : x
  2. Step 2: Convert to fraction form
    95,914.40/144,022.80 = 56,501.60/x
  3. Step 3: Cross multiply
    95,914.40x = 144,022.80 × 56,501.60
  4. Step 4: Simplify right side
    95,914.40x = 8,137,518,636.48
  5. Step 5: Solve for x
    x = 8,137,518,636.48/95,914.40
  6. Step 6: Final answer
    x = 84,841.47

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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.