Home / 148,541.84-204,986.86-80,558.13

Finding the Fourth Proportional to 148,541.84, 204,986.86 and 80,558.13

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Solution

The fourth proportional to 148,541.84, 204,986.86 and 80,558.13 is: 111,169.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,541.84 : 204,986.86 = 80,558.13 : x
  2. Step 2: Convert to fraction form
    148,541.84/204,986.86 = 80,558.13/x
  3. Step 3: Cross multiply
    148,541.84x = 204,986.86 × 80,558.13
  4. Step 4: Simplify right side
    148,541.84x = 16,513,358,116.17
  5. Step 5: Solve for x
    x = 16,513,358,116.17/148,541.84
  6. Step 6: Final answer
    x = 111,169.74

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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.