Home / 178,897.26-268,148.64-115,567.40

Finding the Fourth Proportional to 178,897.26, 268,148.64 and 115,567.40

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Solution

The fourth proportional to 178,897.26, 268,148.64 and 115,567.40 is: 173,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,897.26 : 268,148.64 = 115,567.40 : x
  2. Step 2: Convert to fraction form
    178,897.26/268,148.64 = 115,567.40/x
  3. Step 3: Cross multiply
    178,897.26x = 268,148.64 × 115,567.40
  4. Step 4: Simplify right side
    178,897.26x = 30,989,241,138.34
  5. Step 5: Solve for x
    x = 30,989,241,138.34/178,897.26
  6. Step 6: Final answer
    x = 173,223.68

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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.