Home / 181,132.07-249,970.32-100,560.69

Finding the Fourth Proportional to 181,132.07, 249,970.32 and 100,560.69

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Solution

The fourth proportional to 181,132.07, 249,970.32 and 100,560.69 is: 138,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,132.07 : 249,970.32 = 100,560.69 : x
  2. Step 2: Convert to fraction form
    181,132.07/249,970.32 = 100,560.69/x
  3. Step 3: Cross multiply
    181,132.07x = 249,970.32 × 100,560.69
  4. Step 4: Simplify right side
    181,132.07x = 25,137,187,858.72
  5. Step 5: Solve for x
    x = 25,137,187,858.72/181,132.07
  6. Step 6: Final answer
    x = 138,778.23

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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.