Home / 181,320.53-249,997.34-120,758.39

Finding the Fourth Proportional to 181,320.53, 249,997.34 and 120,758.39

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Solution

The fourth proportional to 181,320.53, 249,997.34 and 120,758.39 is: 166,496.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,320.53 : 249,997.34 = 120,758.39 : x
  2. Step 2: Convert to fraction form
    181,320.53/249,997.34 = 120,758.39/x
  3. Step 3: Cross multiply
    181,320.53x = 249,997.34 × 120,758.39
  4. Step 4: Simplify right side
    181,320.53x = 30,189,276,999.05
  5. Step 5: Solve for x
    x = 30,189,276,999.05/181,320.53
  6. Step 6: Final answer
    x = 166,496.74

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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.