Home / 130,842.94-180,562.74-73,474.28

Finding the Fourth Proportional to 130,842.94, 180,562.74 and 73,474.28

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Solution

The fourth proportional to 130,842.94, 180,562.74 and 73,474.28 is: 101,394.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,842.94 : 180,562.74 = 73,474.28 : x
  2. Step 2: Convert to fraction form
    130,842.94/180,562.74 = 73,474.28/x
  3. Step 3: Cross multiply
    130,842.94x = 180,562.74 × 73,474.28
  4. Step 4: Simplify right side
    130,842.94x = 13,266,717,316.33
  5. Step 5: Solve for x
    x = 13,266,717,316.33/130,842.94
  6. Step 6: Final answer
    x = 101,394.22

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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.