Home / 117,095.47-161,622.03-76,361.13

Finding the Fourth Proportional to 117,095.47, 161,622.03 and 76,361.13

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Solution

The fourth proportional to 117,095.47, 161,622.03 and 76,361.13 is: 105,398.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,095.47 : 161,622.03 = 76,361.13 : x
  2. Step 2: Convert to fraction form
    117,095.47/161,622.03 = 76,361.13/x
  3. Step 3: Cross multiply
    117,095.47x = 161,622.03 × 76,361.13
  4. Step 4: Simplify right side
    117,095.47x = 12,341,640,865.94
  5. Step 5: Solve for x
    x = 12,341,640,865.94/117,095.47
  6. Step 6: Final answer
    x = 105,398.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.