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Finding the Fourth Proportional to 181,150.50, 249,995.50 and 100,578.03

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Solution

The fourth proportional to 181,150.50, 249,995.50 and 100,578.03 is: 138,802.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,150.50 : 249,995.50 = 100,578.03 : x
  2. Step 2: Convert to fraction form
    181,150.50/249,995.50 = 100,578.03/x
  3. Step 3: Cross multiply
    181,150.50x = 249,995.50 × 100,578.03
  4. Step 4: Simplify right side
    181,150.50x = 25,144,055,584.90
  5. Step 5: Solve for x
    x = 25,144,055,584.90/181,150.50
  6. Step 6: Final answer
    x = 138,802.02

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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.