Home / 131,220.89-181,059.42-73,852.57

Finding the Fourth Proportional to 131,220.89, 181,059.42 and 73,852.57

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Solution

The fourth proportional to 131,220.89, 181,059.42 and 73,852.57 is: 101,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220.89 : 181,059.42 = 73,852.57 : x
  2. Step 2: Convert to fraction form
    131,220.89/181,059.42 = 73,852.57/x
  3. Step 3: Cross multiply
    131,220.89x = 181,059.42 × 73,852.57
  4. Step 4: Simplify right side
    131,220.89x = 13,371,703,489.71
  5. Step 5: Solve for x
    x = 13,371,703,489.71/131,220.89
  6. Step 6: Final answer
    x = 101,902.25

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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.