Home / 181,018.33-249,785.24-100,425.76

Finding the Fourth Proportional to 181,018.33, 249,785.24 and 100,425.76

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Solution

The fourth proportional to 181,018.33, 249,785.24 and 100,425.76 is: 138,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,018.33 : 249,785.24 = 100,425.76 : x
  2. Step 2: Convert to fraction form
    181,018.33/249,785.24 = 100,425.76/x
  3. Step 3: Cross multiply
    181,018.33x = 249,785.24 × 100,425.76
  4. Step 4: Simplify right side
    181,018.33x = 25,084,871,437.19
  5. Step 5: Solve for x
    x = 25,084,871,437.19/181,018.33
  6. Step 6: Final answer
    x = 138,576.42

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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.