Home / 145,402.24-200,652.45-80,871.16

Finding the Fourth Proportional to 145,402.24, 200,652.45 and 80,871.16

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Solution

The fourth proportional to 145,402.24, 200,652.45 and 80,871.16 is: 111,600.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,402.24 : 200,652.45 = 80,871.16 : x
  2. Step 2: Convert to fraction form
    145,402.24/200,652.45 = 80,871.16/x
  3. Step 3: Cross multiply
    145,402.24x = 200,652.45 × 80,871.16
  4. Step 4: Simplify right side
    145,402.24x = 16,226,996,388.34
  5. Step 5: Solve for x
    x = 16,226,996,388.34/145,402.24
  6. Step 6: Final answer
    x = 111,600.73

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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.