Home / 145,452.79-200,749.49-84,190.10

Finding the Fourth Proportional to 145,452.79, 200,749.49 and 84,190.10

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Solution

The fourth proportional to 145,452.79, 200,749.49 and 84,190.10 is: 116,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,452.79 : 200,749.49 = 84,190.10 : x
  2. Step 2: Convert to fraction form
    145,452.79/200,749.49 = 84,190.10/x
  3. Step 3: Cross multiply
    145,452.79x = 200,749.49 × 84,190.10
  4. Step 4: Simplify right side
    145,452.79x = 16,901,119,848.52
  5. Step 5: Solve for x
    x = 16,901,119,848.52/145,452.79
  6. Step 6: Final answer
    x = 116,196.61

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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.