Home / 345,432.47-518,167.26-108,793.67

Finding the Fourth Proportional to 345,432.47, 518,167.26 and 108,793.67

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Solution

The fourth proportional to 345,432.47, 518,167.26 and 108,793.67 is: 163,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,432.47 : 518,167.26 = 108,793.67 : x
  2. Step 2: Convert to fraction form
    345,432.47/518,167.26 = 108,793.67/x
  3. Step 3: Cross multiply
    345,432.47x = 518,167.26 × 108,793.67
  4. Step 4: Simplify right side
    345,432.47x = 56,373,315,298.41
  5. Step 5: Solve for x
    x = 56,373,315,298.41/345,432.47
  6. Step 6: Final answer
    x = 163,196.34

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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.