Home / 147,865.95-203,409.33-129,634.58

Finding the Fourth Proportional to 147,865.95, 203,409.33 and 129,634.58

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Solution

The fourth proportional to 147,865.95, 203,409.33 and 129,634.58 is: 178,329.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,865.95 : 203,409.33 = 129,634.58 : x
  2. Step 2: Convert to fraction form
    147,865.95/203,409.33 = 129,634.58/x
  3. Step 3: Cross multiply
    147,865.95x = 203,409.33 × 129,634.58
  4. Step 4: Simplify right side
    147,865.95x = 26,368,882,045.58
  5. Step 5: Solve for x
    x = 26,368,882,045.58/147,865.95
  6. Step 6: Final answer
    x = 178,329.64

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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.