Home / 131,873.34-181,984.98-71,445.51

Finding the Fourth Proportional to 131,873.34, 181,984.98 and 71,445.51

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Solution

The fourth proportional to 131,873.34, 181,984.98 and 71,445.51 is: 98,594.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,873.34 : 181,984.98 = 71,445.51 : x
  2. Step 2: Convert to fraction form
    131,873.34/181,984.98 = 71,445.51/x
  3. Step 3: Cross multiply
    131,873.34x = 181,984.98 × 71,445.51
  4. Step 4: Simplify right side
    131,873.34x = 13,002,009,708.44
  5. Step 5: Solve for x
    x = 13,002,009,708.44/131,873.34
  6. Step 6: Final answer
    x = 98,594.68

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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.