Home / 181,150.62-249,995.67-100,578.16

Finding the Fourth Proportional to 181,150.62, 249,995.67 and 100,578.16

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Solution

The fourth proportional to 181,150.62, 249,995.67 and 100,578.16 is: 138,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,150.62 : 249,995.67 = 100,578.16 : x
  2. Step 2: Convert to fraction form
    181,150.62/249,995.67 = 100,578.16/x
  3. Step 3: Cross multiply
    181,150.62x = 249,995.67 × 100,578.16
  4. Step 4: Simplify right side
    181,150.62x = 25,144,104,496.57
  5. Step 5: Solve for x
    x = 25,144,104,496.57/181,150.62
  6. Step 6: Final answer
    x = 138,802.20

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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.