Home / 140,556.36-210,903.82-65,681.68

Finding the Fourth Proportional to 140,556.36, 210,903.82 and 65,681.68

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Solution

The fourth proportional to 140,556.36, 210,903.82 and 65,681.68 is: 98,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,556.36 : 210,903.82 = 65,681.68 : x
  2. Step 2: Convert to fraction form
    140,556.36/210,903.82 = 65,681.68/x
  3. Step 3: Cross multiply
    140,556.36x = 210,903.82 × 65,681.68
  4. Step 4: Simplify right side
    140,556.36x = 13,852,517,216.02
  5. Step 5: Solve for x
    x = 13,852,517,216.02/140,556.36
  6. Step 6: Final answer
    x = 98,554.89

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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.