Home / 139,138.44-208,547.66-60,173.32

Finding the Fourth Proportional to 139,138.44, 208,547.66 and 60,173.32

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Solution

The fourth proportional to 139,138.44, 208,547.66 and 60,173.32 is: 90,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,138.44 : 208,547.66 = 60,173.32 : x
  2. Step 2: Convert to fraction form
    139,138.44/208,547.66 = 60,173.32/x
  3. Step 3: Cross multiply
    139,138.44x = 208,547.66 × 60,173.32
  4. Step 4: Simplify right side
    139,138.44x = 12,549,005,080.43
  5. Step 5: Solve for x
    x = 12,549,005,080.43/139,138.44
  6. Step 6: Final answer
    x = 90,190.78

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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.