Home / 149,030.70-223,546.05-139,116.30

Finding the Fourth Proportional to 149,030.70, 223,546.05 and 139,116.30

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Solution

The fourth proportional to 149,030.70, 223,546.05 and 139,116.30 is: 208,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,030.70 : 223,546.05 = 139,116.30 : x
  2. Step 2: Convert to fraction form
    149,030.70/223,546.05 = 139,116.30/x
  3. Step 3: Cross multiply
    149,030.70x = 223,546.05 × 139,116.30
  4. Step 4: Simplify right side
    149,030.70x = 31,098,899,355.62
  5. Step 5: Solve for x
    x = 31,098,899,355.62/149,030.70
  6. Step 6: Final answer
    x = 208,674.45

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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.