Home / 147,212.10-203,153.67-83,550.96

Finding the Fourth Proportional to 147,212.10, 203,153.67 and 83,550.96

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Solution

The fourth proportional to 147,212.10, 203,153.67 and 83,550.96 is: 115,300.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,212.10 : 203,153.67 = 83,550.96 : x
  2. Step 2: Convert to fraction form
    147,212.10/203,153.67 = 83,550.96/x
  3. Step 3: Cross multiply
    147,212.10x = 203,153.67 × 83,550.96
  4. Step 4: Simplify right side
    147,212.10x = 16,973,684,156.02
  5. Step 5: Solve for x
    x = 16,973,684,156.02/147,212.10
  6. Step 6: Final answer
    x = 115,300.88

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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.