Home / 162,072.63-243,218.30-56,892.51

Finding the Fourth Proportional to 162,072.63, 243,218.30 and 56,892.51

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Solution

The fourth proportional to 162,072.63, 243,218.30 and 56,892.51 is: 85,377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,072.63 : 243,218.30 = 56,892.51 : x
  2. Step 2: Convert to fraction form
    162,072.63/243,218.30 = 56,892.51/x
  3. Step 3: Cross multiply
    162,072.63x = 243,218.30 × 56,892.51
  4. Step 4: Simplify right side
    162,072.63x = 13,837,299,280.47
  5. Step 5: Solve for x
    x = 13,837,299,280.47/162,072.63
  6. Step 6: Final answer
    x = 85,377.15

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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.