Home / 210,567.44-290,578.20-115,076.72

Finding the Fourth Proportional to 210,567.44, 290,578.20 and 115,076.72

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Solution

The fourth proportional to 210,567.44, 290,578.20 and 115,076.72 is: 158,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,567.44 : 290,578.20 = 115,076.72 : x
  2. Step 2: Convert to fraction form
    210,567.44/290,578.20 = 115,076.72/x
  3. Step 3: Cross multiply
    210,567.44x = 290,578.20 × 115,076.72
  4. Step 4: Simplify right side
    210,567.44x = 33,438,786,159.50
  5. Step 5: Solve for x
    x = 33,438,786,159.50/210,567.44
  6. Step 6: Final answer
    x = 158,803.21

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1.5x scale

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.