Home / 130,748.39-180,425.18-73,382.39

Finding the Fourth Proportional to 130,748.39, 180,425.18 and 73,382.39

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Solution

The fourth proportional to 130,748.39, 180,425.18 and 73,382.39 is: 101,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,748.39 : 180,425.18 = 73,382.39 : x
  2. Step 2: Convert to fraction form
    130,748.39/180,425.18 = 73,382.39/x
  3. Step 3: Cross multiply
    130,748.39x = 180,425.18 × 73,382.39
  4. Step 4: Simplify right side
    130,748.39x = 13,240,030,205.91
  5. Step 5: Solve for x
    x = 13,240,030,205.91/130,748.39
  6. Step 6: Final answer
    x = 101,263.43

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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.