Home / 130,842.14-180,571.48-74,257.16

Finding the Fourth Proportional to 130,842.14, 180,571.48 and 74,257.16

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Solution

The fourth proportional to 130,842.14, 180,571.48 and 74,257.16 is: 102,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,842.14 : 180,571.48 = 74,257.16 : x
  2. Step 2: Convert to fraction form
    130,842.14/180,571.48 = 74,257.16/x
  3. Step 3: Cross multiply
    130,842.14x = 180,571.48 × 74,257.16
  4. Step 4: Simplify right side
    130,842.14x = 13,408,724,193.30
  5. Step 5: Solve for x
    x = 13,408,724,193.30/130,842.14
  6. Step 6: Final answer
    x = 102,480.17

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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.