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Finding the Fourth Proportional to 145,473.42, 200,750.17 and 84,222.19

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Solution

The fourth proportional to 145,473.42, 200,750.17 and 84,222.19 is: 116,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,473.42 : 200,750.17 = 84,222.19 : x
  2. Step 2: Convert to fraction form
    145,473.42/200,750.17 = 84,222.19/x
  3. Step 3: Cross multiply
    145,473.42x = 200,750.17 × 84,222.19
  4. Step 4: Simplify right side
    145,473.42x = 16,907,619,251.59
  5. Step 5: Solve for x
    x = 16,907,619,251.59/145,473.42
  6. Step 6: Final answer
    x = 116,224.80

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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.