Home / 104,556.78-144,286.28-56,810.47

Finding the Fourth Proportional to 104,556.78, 144,286.28 and 56,810.47

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Solution

The fourth proportional to 104,556.78, 144,286.28 and 56,810.47 is: 78,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,556.78 : 144,286.28 = 56,810.47 : x
  2. Step 2: Convert to fraction form
    104,556.78/144,286.28 = 56,810.47/x
  3. Step 3: Cross multiply
    104,556.78x = 144,286.28 × 56,810.47
  4. Step 4: Simplify right side
    104,556.78x = 8,196,971,220.16
  5. Step 5: Solve for x
    x = 8,196,971,220.16/104,556.78
  6. Step 6: Final answer
    x = 78,397.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.