Home / 78,973.37-118,442.57-22,801.26

Finding the Fourth Proportional to 78,973.37, 118,442.57 and 22,801.26

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Solution

The fourth proportional to 78,973.37, 118,442.57 and 22,801.26 is: 34,196.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,973.37 : 118,442.57 = 22,801.26 : x
  2. Step 2: Convert to fraction form
    78,973.37/118,442.57 = 22,801.26/x
  3. Step 3: Cross multiply
    78,973.37x = 118,442.57 × 22,801.26
  4. Step 4: Simplify right side
    78,973.37x = 2,700,639,719.63
  5. Step 5: Solve for x
    x = 2,700,639,719.63/78,973.37
  6. Step 6: Final answer
    x = 34,196.84

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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.