Home / 147,863.70-203,406.23-129,632.32

Finding the Fourth Proportional to 147,863.70, 203,406.23 and 129,632.32

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Solution

The fourth proportional to 147,863.70, 203,406.23 and 129,632.32 is: 178,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,863.70 : 203,406.23 = 129,632.32 : x
  2. Step 2: Convert to fraction form
    147,863.70/203,406.23 = 129,632.32/x
  3. Step 3: Cross multiply
    147,863.70x = 203,406.23 × 129,632.32
  4. Step 4: Simplify right side
    147,863.70x = 26,368,021,312.92
  5. Step 5: Solve for x
    x = 26,368,021,312.92/147,863.70
  6. Step 6: Final answer
    x = 178,326.54

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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.