Home / 148,165.64-204,460.74-81,084.68

Finding the Fourth Proportional to 148,165.64, 204,460.74 and 81,084.68

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Solution

The fourth proportional to 148,165.64, 204,460.74 and 81,084.68 is: 111,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,165.64 : 204,460.74 = 81,084.68 : x
  2. Step 2: Convert to fraction form
    148,165.64/204,460.74 = 81,084.68/x
  3. Step 3: Cross multiply
    148,165.64x = 204,460.74 × 81,084.68
  4. Step 4: Simplify right side
    148,165.64x = 16,578,633,675.46
  5. Step 5: Solve for x
    x = 16,578,633,675.46/148,165.64
  6. Step 6: Final answer
    x = 111,892.57

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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.