Home / 161,287.40-241,931.10-131,738.60

Finding the Fourth Proportional to 161,287.40, 241,931.10 and 131,738.60

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Solution

The fourth proportional to 161,287.40, 241,931.10 and 131,738.60 is: 197,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,287.40 : 241,931.10 = 131,738.60 : x
  2. Step 2: Convert to fraction form
    161,287.40/241,931.10 = 131,738.60/x
  3. Step 3: Cross multiply
    161,287.40x = 241,931.10 × 131,738.60
  4. Step 4: Simplify right side
    161,287.40x = 31,871,664,410.46
  5. Step 5: Solve for x
    x = 31,871,664,410.46/161,287.40
  6. Step 6: Final answer
    x = 197,607.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.