Home / 181,135.92-249,962.70-108,579.80

Finding the Fourth Proportional to 181,135.92, 249,962.70 and 108,579.80

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Solution

The fourth proportional to 181,135.92, 249,962.70 and 108,579.80 is: 149,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,135.92 : 249,962.70 = 108,579.80 : x
  2. Step 2: Convert to fraction form
    181,135.92/249,962.70 = 108,579.80/x
  3. Step 3: Cross multiply
    181,135.92x = 249,962.70 × 108,579.80
  4. Step 4: Simplify right side
    181,135.92x = 27,140,899,973.46
  5. Step 5: Solve for x
    x = 27,140,899,973.46/181,135.92
  6. Step 6: Final answer
    x = 149,837.20

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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.