Home / 149,023.70-223,535.55-139,109.30

Finding the Fourth Proportional to 149,023.70, 223,535.55 and 139,109.30

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Solution

The fourth proportional to 149,023.70, 223,535.55 and 139,109.30 is: 208,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,023.70 : 223,535.55 = 139,109.30 : x
  2. Step 2: Convert to fraction form
    149,023.70/223,535.55 = 139,109.30/x
  3. Step 3: Cross multiply
    149,023.70x = 223,535.55 × 139,109.30
  4. Step 4: Simplify right side
    149,023.70x = 31,095,873,885.62
  5. Step 5: Solve for x
    x = 31,095,873,885.62/149,023.70
  6. Step 6: Final answer
    x = 208,663.95

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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.