Home / 161,881.40-242,829.30-55,263.80

Finding the Fourth Proportional to 161,881.40, 242,829.30 and 55,263.80

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Solution

The fourth proportional to 161,881.40, 242,829.30 and 55,263.80 is: 82,898.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,881.40 : 242,829.30 = 55,263.80 : x
  2. Step 2: Convert to fraction form
    161,881.40/242,829.30 = 55,263.80/x
  3. Step 3: Cross multiply
    161,881.40x = 242,829.30 × 55,263.80
  4. Step 4: Simplify right side
    161,881.40x = 13,419,669,869.34
  5. Step 5: Solve for x
    x = 13,419,669,869.34/161,881.40
  6. Step 6: Final answer
    x = 82,898.16

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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.