Home / 131,580.56-181,576.68-75,010.16

Finding the Fourth Proportional to 131,580.56, 181,576.68 and 75,010.16

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Solution

The fourth proportional to 131,580.56, 181,576.68 and 75,010.16 is: 103,511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,580.56 : 181,576.68 = 75,010.16 : x
  2. Step 2: Convert to fraction form
    131,580.56/181,576.68 = 75,010.16/x
  3. Step 3: Cross multiply
    131,580.56x = 181,576.68 × 75,010.16
  4. Step 4: Simplify right side
    131,580.56x = 13,620,095,819.07
  5. Step 5: Solve for x
    x = 13,620,095,819.07/131,580.56
  6. Step 6: Final answer
    x = 103,511.46

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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.