Home / 181,132.71-249,951.93-100,555.43

Finding the Fourth Proportional to 181,132.71, 249,951.93 and 100,555.43

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Solution

The fourth proportional to 181,132.71, 249,951.93 and 100,555.43 is: 138,760.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,132.71 : 249,951.93 = 100,555.43 : x
  2. Step 2: Convert to fraction form
    181,132.71/249,951.93 = 100,555.43/x
  3. Step 3: Cross multiply
    181,132.71x = 249,951.93 × 100,555.43
  4. Step 4: Simplify right side
    181,132.71x = 25,134,022,173.64
  5. Step 5: Solve for x
    x = 25,134,022,173.64/181,132.71
  6. Step 6: Final answer
    x = 138,760.26

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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.