Home / 149,739.63-206,566.13-89,267.67

Finding the Fourth Proportional to 149,739.63, 206,566.13 and 89,267.67

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Solution

The fourth proportional to 149,739.63, 206,566.13 and 89,267.67 is: 123,144.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,739.63 : 206,566.13 = 89,267.67 : x
  2. Step 2: Convert to fraction form
    149,739.63/206,566.13 = 89,267.67/x
  3. Step 3: Cross multiply
    149,739.63x = 206,566.13 × 89,267.67
  4. Step 4: Simplify right side
    149,739.63x = 18,439,676,679.68
  5. Step 5: Solve for x
    x = 18,439,676,679.68/149,739.63
  6. Step 6: Final answer
    x = 123,144.93

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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.