Home / 134,123.20-200,877.60-68,382.40

Finding the Fourth Proportional to 134,123.20, 200,877.60 and 68,382.40

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Solution

The fourth proportional to 134,123.20, 200,877.60 and 68,382.40 is: 102,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,123.20 : 200,877.60 = 68,382.40 : x
  2. Step 2: Convert to fraction form
    134,123.20/200,877.60 = 68,382.40/x
  3. Step 3: Cross multiply
    134,123.20x = 200,877.60 × 68,382.40
  4. Step 4: Simplify right side
    134,123.20x = 13,736,492,394.24
  5. Step 5: Solve for x
    x = 13,736,492,394.24/134,123.20
  6. Step 6: Final answer
    x = 102,416.97

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1.5x scale

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.