Home / 145,483.26-200,750.58-81,819.70

Finding the Fourth Proportional to 145,483.26, 200,750.58 and 81,819.70

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Solution

The fourth proportional to 145,483.26, 200,750.58 and 81,819.70 is: 112,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,483.26 : 200,750.58 = 81,819.70 : x
  2. Step 2: Convert to fraction form
    145,483.26/200,750.58 = 81,819.70/x
  3. Step 3: Cross multiply
    145,483.26x = 200,750.58 × 81,819.70
  4. Step 4: Simplify right side
    145,483.26x = 16,425,352,230.43
  5. Step 5: Solve for x
    x = 16,425,352,230.43/145,483.26
  6. Step 6: Final answer
    x = 112,902.01

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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.