Home / 134,666.20-201,999.30-45,911.80

Finding the Fourth Proportional to 134,666.20, 201,999.30 and 45,911.80

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Solution

The fourth proportional to 134,666.20, 201,999.30 and 45,911.80 is: 68,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,666.20 : 201,999.30 = 45,911.80 : x
  2. Step 2: Convert to fraction form
    134,666.20/201,999.30 = 45,911.80/x
  3. Step 3: Cross multiply
    134,666.20x = 201,999.30 × 45,911.80
  4. Step 4: Simplify right side
    134,666.20x = 9,274,151,461.74
  5. Step 5: Solve for x
    x = 9,274,151,461.74/134,666.20
  6. Step 6: Final answer
    x = 68,867.70

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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.