Home / 262,176.19-393,272.99-72,638.46

Finding the Fourth Proportional to 262,176.19, 393,272.99 and 72,638.46

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Solution

The fourth proportional to 262,176.19, 393,272.99 and 72,638.46 is: 108,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,176.19 : 393,272.99 = 72,638.46 : x
  2. Step 2: Convert to fraction form
    262,176.19/393,272.99 = 72,638.46/x
  3. Step 3: Cross multiply
    262,176.19x = 393,272.99 × 72,638.46
  4. Step 4: Simplify right side
    262,176.19x = 28,566,744,353.20
  5. Step 5: Solve for x
    x = 28,566,744,353.20/262,176.19
  6. Step 6: Final answer
    x = 108,960.10

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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.