Home / 432,087.40-648,131.10-116,576.20

Finding the Fourth Proportional to 432,087.40, 648,131.10 and 116,576.20

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Solution

The fourth proportional to 432,087.40, 648,131.10 and 116,576.20 is: 174,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,087.40 : 648,131.10 = 116,576.20 : x
  2. Step 2: Convert to fraction form
    432,087.40/648,131.10 = 116,576.20/x
  3. Step 3: Cross multiply
    432,087.40x = 648,131.10 × 116,576.20
  4. Step 4: Simplify right side
    432,087.40x = 75,556,660,739.82
  5. Step 5: Solve for x
    x = 75,556,660,739.82/432,087.40
  6. Step 6: Final answer
    x = 174,864.30

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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.