Home / 130,551.48-180,171-73,196.06

Finding the Fourth Proportional to 130,551.48, 180,171 and 73,196.06

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Solution

The fourth proportional to 130,551.48, 180,171 and 73,196.06 is: 101,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,551.48 : 180,171 = 73,196.06 : x
  2. Step 2: Convert to fraction form
    130,551.48/180,171 = 73,196.06/x
  3. Step 3: Cross multiply
    130,551.48x = 180,171 × 73,196.06
  4. Step 4: Simplify right side
    130,551.48x = 13,187,806,425.41
  5. Step 5: Solve for x
    x = 13,187,806,425.41/130,551.48
  6. Step 6: Final answer
    x = 101,016.14

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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.