Home / 149,221.51-223,930.68-70,343.71

Finding the Fourth Proportional to 149,221.51, 223,930.68 and 70,343.71

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Solution

The fourth proportional to 149,221.51, 223,930.68 and 70,343.71 is: 105,561.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,221.51 : 223,930.68 = 70,343.71 : x
  2. Step 2: Convert to fraction form
    149,221.51/223,930.68 = 70,343.71/x
  3. Step 3: Cross multiply
    149,221.51x = 223,930.68 × 70,343.71
  4. Step 4: Simplify right side
    149,221.51x = 15,752,114,814.02
  5. Step 5: Solve for x
    x = 15,752,114,814.02/149,221.51
  6. Step 6: Final answer
    x = 105,561.96

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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.