Home / 60,198.09-90,214.10-45,390.74

Finding the Fourth Proportional to 60,198.09, 90,214.10 and 45,390.74

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Solution

The fourth proportional to 60,198.09, 90,214.10 and 45,390.74 is: 68,023.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,198.09 : 90,214.10 = 45,390.74 : x
  2. Step 2: Convert to fraction form
    60,198.09/90,214.10 = 45,390.74/x
  3. Step 3: Cross multiply
    60,198.09x = 90,214.10 × 45,390.74
  4. Step 4: Simplify right side
    60,198.09x = 4,094,884,079.41
  5. Step 5: Solve for x
    x = 4,094,884,079.41/60,198.09
  6. Step 6: Final answer
    x = 68,023.49

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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.