Home / 149,950.09-224,814.03-90,771.76

Finding the Fourth Proportional to 149,950.09, 224,814.03 and 90,771.76

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Solution

The fourth proportional to 149,950.09, 224,814.03 and 90,771.76 is: 136,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,950.09 : 224,814.03 = 90,771.76 : x
  2. Step 2: Convert to fraction form
    149,950.09/224,814.03 = 90,771.76/x
  3. Step 3: Cross multiply
    149,950.09x = 224,814.03 × 90,771.76
  4. Step 4: Simplify right side
    149,950.09x = 20,406,765,175.79
  5. Step 5: Solve for x
    x = 20,406,765,175.79/149,950.09
  6. Step 6: Final answer
    x = 136,090.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.