Home / 140,556.36-210,862.76-51,810.32

Finding the Fourth Proportional to 140,556.36, 210,862.76 and 51,810.32

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Solution

The fourth proportional to 140,556.36, 210,862.76 and 51,810.32 is: 77,725.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,556.36 : 210,862.76 = 51,810.32 : x
  2. Step 2: Convert to fraction form
    140,556.36/210,862.76 = 51,810.32/x
  3. Step 3: Cross multiply
    140,556.36x = 210,862.76 × 51,810.32
  4. Step 4: Simplify right side
    140,556.36x = 10,924,867,071.68
  5. Step 5: Solve for x
    x = 10,924,867,071.68/140,556.36
  6. Step 6: Final answer
    x = 77,725.88

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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.