Home / 219,945.15-303,527.84-119,343.15

Finding the Fourth Proportional to 219,945.15, 303,527.84 and 119,343.15

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Solution

The fourth proportional to 219,945.15, 303,527.84 and 119,343.15 is: 164,695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,945.15 : 303,527.84 = 119,343.15 : x
  2. Step 2: Convert to fraction form
    219,945.15/303,527.84 = 119,343.15/x
  3. Step 3: Cross multiply
    219,945.15x = 303,527.84 × 119,343.15
  4. Step 4: Simplify right side
    219,945.15x = 36,223,967,941.58
  5. Step 5: Solve for x
    x = 36,223,967,941.58/219,945.15
  6. Step 6: Final answer
    x = 164,695.46

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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.