Home / 264,023.60-396,031.80-86,536.40

Finding the Fourth Proportional to 264,023.60, 396,031.80 and 86,536.40

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Solution

The fourth proportional to 264,023.60, 396,031.80 and 86,536.40 is: 129,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,023.60 : 396,031.80 = 86,536.40 : x
  2. Step 2: Convert to fraction form
    264,023.60/396,031.80 = 86,536.40/x
  3. Step 3: Cross multiply
    264,023.60x = 396,031.80 × 86,536.40
  4. Step 4: Simplify right side
    264,023.60x = 34,271,166,257.52
  5. Step 5: Solve for x
    x = 34,271,166,257.52/264,023.60
  6. Step 6: Final answer
    x = 129,803.42

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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.