Home / 130,632.49-180,274.81-73,284.52

Finding the Fourth Proportional to 130,632.49, 180,274.81 and 73,284.52

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Solution

The fourth proportional to 130,632.49, 180,274.81 and 73,284.52 is: 101,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,632.49 : 180,274.81 = 73,284.52 : x
  2. Step 2: Convert to fraction form
    130,632.49/180,274.81 = 73,284.52/x
  3. Step 3: Cross multiply
    130,632.49x = 180,274.81 × 73,284.52
  4. Step 4: Simplify right side
    130,632.49x = 13,211,352,918.94
  5. Step 5: Solve for x
    x = 13,211,352,918.94/130,632.49
  6. Step 6: Final answer
    x = 101,133.74

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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.