Home / 78,898.73-118,349.14-26,308.23

Finding the Fourth Proportional to 78,898.73, 118,349.14 and 26,308.23

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Solution

The fourth proportional to 78,898.73, 118,349.14 and 26,308.23 is: 39,462.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,898.73 : 118,349.14 = 26,308.23 : x
  2. Step 2: Convert to fraction form
    78,898.73/118,349.14 = 26,308.23/x
  3. Step 3: Cross multiply
    78,898.73x = 118,349.14 × 26,308.23
  4. Step 4: Simplify right side
    78,898.73x = 3,113,556,395.42
  5. Step 5: Solve for x
    x = 3,113,556,395.42/78,898.73
  6. Step 6: Final answer
    x = 39,462.69

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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.