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Finding the Fourth Proportional to 144,953.60, 200,037.65 and 80,424.05

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Solution

The fourth proportional to 144,953.60, 200,037.65 and 80,424.05 is: 110,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,953.60 : 200,037.65 = 80,424.05 : x
  2. Step 2: Convert to fraction form
    144,953.60/200,037.65 = 80,424.05/x
  3. Step 3: Cross multiply
    144,953.60x = 200,037.65 × 80,424.05
  4. Step 4: Simplify right side
    144,953.60x = 16,087,836,563.17
  5. Step 5: Solve for x
    x = 16,087,836,563.17/144,953.60
  6. Step 6: Final answer
    x = 110,986.12

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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.