Home / 78,794.64-118,211.40-26,204.58

Finding the Fourth Proportional to 78,794.64, 118,211.40 and 26,204.58

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Solution

The fourth proportional to 78,794.64, 118,211.40 and 26,204.58 is: 39,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,794.64 : 118,211.40 = 26,204.58 : x
  2. Step 2: Convert to fraction form
    78,794.64/118,211.40 = 26,204.58/x
  3. Step 3: Cross multiply
    78,794.64x = 118,211.40 × 26,204.58
  4. Step 4: Simplify right side
    78,794.64x = 3,097,680,088.21
  5. Step 5: Solve for x
    x = 3,097,680,088.21/78,794.64
  6. Step 6: Final answer
    x = 39,313.34

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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.