Home / 112,671.36-169,172.64-62,848.80

Finding the Fourth Proportional to 112,671.36, 169,172.64 and 62,848.80

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Solution

The fourth proportional to 112,671.36, 169,172.64 and 62,848.80 is: 94,365.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,671.36 : 169,172.64 = 62,848.80 : x
  2. Step 2: Convert to fraction form
    112,671.36/169,172.64 = 62,848.80/x
  3. Step 3: Cross multiply
    112,671.36x = 169,172.64 × 62,848.80
  4. Step 4: Simplify right side
    112,671.36x = 10,632,297,416.83
  5. Step 5: Solve for x
    x = 10,632,297,416.83/112,671.36
  6. Step 6: Final answer
    x = 94,365.57

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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.