Home / 134,880.70-202,445.28-68,368

Finding the Fourth Proportional to 134,880.70, 202,445.28 and 68,368

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Solution

The fourth proportional to 134,880.70, 202,445.28 and 68,368 is: 102,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,880.70 : 202,445.28 = 68,368 : x
  2. Step 2: Convert to fraction form
    134,880.70/202,445.28 = 68,368/x
  3. Step 3: Cross multiply
    134,880.70x = 202,445.28 × 68,368
  4. Step 4: Simplify right side
    134,880.70x = 13,840,778,903.04
  5. Step 5: Solve for x
    x = 13,840,778,903.04/134,880.70
  6. Step 6: Final answer
    x = 102,614.97

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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.