Home / 147,238.56-203,188.50-83,585.52

Finding the Fourth Proportional to 147,238.56, 203,188.50 and 83,585.52

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Solution

The fourth proportional to 147,238.56, 203,188.50 and 83,585.52 is: 115,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,238.56 : 203,188.50 = 83,585.52 : x
  2. Step 2: Convert to fraction form
    147,238.56/203,188.50 = 83,585.52/x
  3. Step 3: Cross multiply
    147,238.56x = 203,188.50 × 83,585.52
  4. Step 4: Simplify right side
    147,238.56x = 16,983,616,430.52
  5. Step 5: Solve for x
    x = 16,983,616,430.52/147,238.56
  6. Step 6: Final answer
    x = 115,347.61

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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.