Home / 130,414.33-179,886.04-102,070.81

Finding the Fourth Proportional to 130,414.33, 179,886.04 and 102,070.81

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Solution

The fourth proportional to 130,414.33, 179,886.04 and 102,070.81 is: 140,790.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,414.33 : 179,886.04 = 102,070.81 : x
  2. Step 2: Convert to fraction form
    130,414.33/179,886.04 = 102,070.81/x
  3. Step 3: Cross multiply
    130,414.33x = 179,886.04 × 102,070.81
  4. Step 4: Simplify right side
    130,414.33x = 18,361,113,810.49
  5. Step 5: Solve for x
    x = 18,361,113,810.49/130,414.33
  6. Step 6: Final answer
    x = 140,790.62

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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.