Home / 130,979.76-180,767.43-73,619.16

Finding the Fourth Proportional to 130,979.76, 180,767.43 and 73,619.16

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Solution

The fourth proportional to 130,979.76, 180,767.43 and 73,619.16 is: 101,603.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,979.76 : 180,767.43 = 73,619.16 : x
  2. Step 2: Convert to fraction form
    130,979.76/180,767.43 = 73,619.16/x
  3. Step 3: Cross multiply
    130,979.76x = 180,767.43 × 73,619.16
  4. Step 4: Simplify right side
    130,979.76x = 13,307,946,351.96
  5. Step 5: Solve for x
    x = 13,307,946,351.96/130,979.76
  6. Step 6: Final answer
    x = 101,603.07

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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.