Home / 131,763.43-181,830.18-73,620.63

Finding the Fourth Proportional to 131,763.43, 181,830.18 and 73,620.63

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Solution

The fourth proportional to 131,763.43, 181,830.18 and 73,620.63 is: 101,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,763.43 : 181,830.18 = 73,620.63 : x
  2. Step 2: Convert to fraction form
    131,763.43/181,830.18 = 73,620.63/x
  3. Step 3: Cross multiply
    131,763.43x = 181,830.18 × 73,620.63
  4. Step 4: Simplify right side
    131,763.43x = 13,386,452,680.69
  5. Step 5: Solve for x
    x = 13,386,452,680.69/131,763.43
  6. Step 6: Final answer
    x = 101,594.60

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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.