Home / 245,077.10-367,615.65-139,906.70

Finding the Fourth Proportional to 245,077.10, 367,615.65 and 139,906.70

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Solution

The fourth proportional to 245,077.10, 367,615.65 and 139,906.70 is: 209,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,077.10 : 367,615.65 = 139,906.70 : x
  2. Step 2: Convert to fraction form
    245,077.10/367,615.65 = 139,906.70/x
  3. Step 3: Cross multiply
    245,077.10x = 367,615.65 × 139,906.70
  4. Step 4: Simplify right side
    245,077.10x = 51,431,892,459.86
  5. Step 5: Solve for x
    x = 51,431,892,459.86/245,077.10
  6. Step 6: Final answer
    x = 209,860.05

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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.