Home / 130,790.68-180,493.01-73,442.43

Finding the Fourth Proportional to 130,790.68, 180,493.01 and 73,442.43

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Solution

The fourth proportional to 130,790.68, 180,493.01 and 73,442.43 is: 101,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,790.68 : 180,493.01 = 73,442.43 : x
  2. Step 2: Convert to fraction form
    130,790.68/180,493.01 = 73,442.43/x
  3. Step 3: Cross multiply
    130,790.68x = 180,493.01 × 73,442.43
  4. Step 4: Simplify right side
    130,790.68x = 13,255,845,252.41
  5. Step 5: Solve for x
    x = 13,255,845,252.41/130,790.68
  6. Step 6: Final answer
    x = 101,351.60

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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.