Home / 181,148.62-249,992.91-100,576.16

Finding the Fourth Proportional to 181,148.62, 249,992.91 and 100,576.16

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Solution

The fourth proportional to 181,148.62, 249,992.91 and 100,576.16 is: 138,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,148.62 : 249,992.91 = 100,576.16 : x
  2. Step 2: Convert to fraction form
    181,148.62/249,992.91 = 100,576.16/x
  3. Step 3: Cross multiply
    181,148.62x = 249,992.91 × 100,576.16
  4. Step 4: Simplify right side
    181,148.62x = 25,143,326,602.53
  5. Step 5: Solve for x
    x = 25,143,326,602.53/181,148.62
  6. Step 6: Final answer
    x = 138,799.44

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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.