Home / 150,547.89-207,234.63-130,120.64

Finding the Fourth Proportional to 150,547.89, 207,234.63 and 130,120.64

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Solution

The fourth proportional to 150,547.89, 207,234.63 and 130,120.64 is: 179,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,547.89 : 207,234.63 = 130,120.64 : x
  2. Step 2: Convert to fraction form
    150,547.89/207,234.63 = 130,120.64/x
  3. Step 3: Cross multiply
    150,547.89x = 207,234.63 × 130,120.64
  4. Step 4: Simplify right side
    150,547.89x = 26,965,501,649.59
  5. Step 5: Solve for x
    x = 26,965,501,649.59/150,547.89
  6. Step 6: Final answer
    x = 179,115.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.