Home / 146,003.40-218,567.70-86,808.60

Finding the Fourth Proportional to 146,003.40, 218,567.70 and 86,808.60

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Solution

The fourth proportional to 146,003.40, 218,567.70 and 86,808.60 is: 129,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,003.40 : 218,567.70 = 86,808.60 : x
  2. Step 2: Convert to fraction form
    146,003.40/218,567.70 = 86,808.60/x
  3. Step 3: Cross multiply
    146,003.40x = 218,567.70 × 86,808.60
  4. Step 4: Simplify right side
    146,003.40x = 18,973,556,042.22
  5. Step 5: Solve for x
    x = 18,973,556,042.22/146,003.40
  6. Step 6: Final answer
    x = 129,952.84

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1.5x scale

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.