Home / 81,374.72-122,098.93-48,159.59

Finding the Fourth Proportional to 81,374.72, 122,098.93 and 48,159.59

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Solution

The fourth proportional to 81,374.72, 122,098.93 and 48,159.59 is: 72,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,374.72 : 122,098.93 = 48,159.59 : x
  2. Step 2: Convert to fraction form
    81,374.72/122,098.93 = 48,159.59/x
  3. Step 3: Cross multiply
    81,374.72x = 122,098.93 × 48,159.59
  4. Step 4: Simplify right side
    81,374.72x = 5,880,233,677.35
  5. Step 5: Solve for x
    x = 5,880,233,677.35/81,374.72
  6. Step 6: Final answer
    x = 72,261.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.