Home / 97,072.92-144,829.64-86,416.41

Finding the Fourth Proportional to 97,072.92, 144,829.64 and 86,416.41

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Solution

The fourth proportional to 97,072.92, 144,829.64 and 86,416.41 is: 128,930.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,072.92 : 144,829.64 = 86,416.41 : x
  2. Step 2: Convert to fraction form
    97,072.92/144,829.64 = 86,416.41/x
  3. Step 3: Cross multiply
    97,072.92x = 144,829.64 × 86,416.41
  4. Step 4: Simplify right side
    97,072.92x = 12,515,657,550.39
  5. Step 5: Solve for x
    x = 12,515,657,550.39/97,072.92
  6. Step 6: Final answer
    x = 128,930.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.