Home / 162,072.07-243,146.29-55,457.19

Finding the Fourth Proportional to 162,072.07, 243,146.29 and 55,457.19

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Solution

The fourth proportional to 162,072.07, 243,146.29 and 55,457.19 is: 83,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,072.07 : 243,146.29 = 55,457.19 : x
  2. Step 2: Convert to fraction form
    162,072.07/243,146.29 = 55,457.19/x
  3. Step 3: Cross multiply
    162,072.07x = 243,146.29 × 55,457.19
  4. Step 4: Simplify right side
    162,072.07x = 13,484,209,719.73
  5. Step 5: Solve for x
    x = 13,484,209,719.73/162,072.07
  6. Step 6: Final answer
    x = 83,198.85

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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.