Home / 161,423.17-242,228.32-81,467.39

Finding the Fourth Proportional to 161,423.17, 242,228.32 and 81,467.39

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Solution

The fourth proportional to 161,423.17, 242,228.32 and 81,467.39 is: 122,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,423.17 : 242,228.32 = 81,467.39 : x
  2. Step 2: Convert to fraction form
    161,423.17/242,228.32 = 81,467.39/x
  3. Step 3: Cross multiply
    161,423.17x = 242,228.32 × 81,467.39
  4. Step 4: Simplify right side
    161,423.17x = 19,733,709,014.48
  5. Step 5: Solve for x
    x = 19,733,709,014.48/161,423.17
  6. Step 6: Final answer
    x = 122,248.31

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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.