Home / 130,941.12-180,696.96-74,352

Finding the Fourth Proportional to 130,941.12, 180,696.96 and 74,352

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Solution

The fourth proportional to 130,941.12, 180,696.96 and 74,352 is: 102,604.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,941.12 : 180,696.96 = 74,352 : x
  2. Step 2: Convert to fraction form
    130,941.12/180,696.96 = 74,352/x
  3. Step 3: Cross multiply
    130,941.12x = 180,696.96 × 74,352
  4. Step 4: Simplify right side
    130,941.12x = 13,435,180,369.92
  5. Step 5: Solve for x
    x = 13,435,180,369.92/130,941.12
  6. Step 6: Final answer
    x = 102,604.75

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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.