Home / 145,506.57-200,797-81,844.35

Finding the Fourth Proportional to 145,506.57, 200,797 and 81,844.35

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Solution

The fourth proportional to 145,506.57, 200,797 and 81,844.35 is: 112,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,506.57 : 200,797 = 81,844.35 : x
  2. Step 2: Convert to fraction form
    145,506.57/200,797 = 81,844.35/x
  3. Step 3: Cross multiply
    145,506.57x = 200,797 × 81,844.35
  4. Step 4: Simplify right side
    145,506.57x = 16,434,099,946.95
  5. Step 5: Solve for x
    x = 16,434,099,946.95/145,506.57
  6. Step 6: Final answer
    x = 112,944.04

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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.