Home / 148,028.63-204,280.74-81,727.17

Finding the Fourth Proportional to 148,028.63, 204,280.74 and 81,727.17

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Solution

The fourth proportional to 148,028.63, 204,280.74 and 81,727.17 is: 112,784.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,028.63 : 204,280.74 = 81,727.17 : x
  2. Step 2: Convert to fraction form
    148,028.63/204,280.74 = 81,727.17/x
  3. Step 3: Cross multiply
    148,028.63x = 204,280.74 × 81,727.17
  4. Step 4: Simplify right side
    148,028.63x = 16,695,286,765.71
  5. Step 5: Solve for x
    x = 16,695,286,765.71/148,028.63
  6. Step 6: Final answer
    x = 112,784.17

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1.5x scale

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.