Home / 147,395.50-203,438.64-93,670

Finding the Fourth Proportional to 147,395.50, 203,438.64 and 93,670

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Solution

The fourth proportional to 147,395.50, 203,438.64 and 93,670 is: 129,285.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,395.50 : 203,438.64 = 93,670 : x
  2. Step 2: Convert to fraction form
    147,395.50/203,438.64 = 93,670/x
  3. Step 3: Cross multiply
    147,395.50x = 203,438.64 × 93,670
  4. Step 4: Simplify right side
    147,395.50x = 19,056,097,408.80
  5. Step 5: Solve for x
    x = 19,056,097,408.80/147,395.50
  6. Step 6: Final answer
    x = 129,285.48

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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.