Home / 181,152.11-249,997.72-100,579.64

Finding the Fourth Proportional to 181,152.11, 249,997.72 and 100,579.64

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Solution

The fourth proportional to 181,152.11, 249,997.72 and 100,579.64 is: 138,804.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,152.11 : 249,997.72 = 100,579.64 : x
  2. Step 2: Convert to fraction form
    181,152.11/249,997.72 = 100,579.64/x
  3. Step 3: Cross multiply
    181,152.11x = 249,997.72 × 100,579.64
  4. Step 4: Simplify right side
    181,152.11x = 25,144,680,678.42
  5. Step 5: Solve for x
    x = 25,144,680,678.42/181,152.11
  6. Step 6: Final answer
    x = 138,804.24

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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.