Home / 105,787.40-145,986.60-60,466.35

Finding the Fourth Proportional to 105,787.40, 145,986.60 and 60,466.35

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Solution

The fourth proportional to 105,787.40, 145,986.60 and 60,466.35 is: 83,443.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,787.40 : 145,986.60 = 60,466.35 : x
  2. Step 2: Convert to fraction form
    105,787.40/145,986.60 = 60,466.35/x
  3. Step 3: Cross multiply
    105,787.40x = 145,986.60 × 60,466.35
  4. Step 4: Simplify right side
    105,787.40x = 8,827,276,850.91
  5. Step 5: Solve for x
    x = 8,827,276,850.91/105,787.40
  6. Step 6: Final answer
    x = 83,443.56

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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.