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Finding the Fourth Proportional to 124,174.83, 171,365.07 and 87,941.22

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Solution

The fourth proportional to 124,174.83, 171,365.07 and 87,941.22 is: 121,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,174.83 : 171,365.07 = 87,941.22 : x
  2. Step 2: Convert to fraction form
    124,174.83/171,365.07 = 87,941.22/x
  3. Step 3: Cross multiply
    124,174.83x = 171,365.07 × 87,941.22
  4. Step 4: Simplify right side
    124,174.83x = 15,070,053,321.19
  5. Step 5: Solve for x
    x = 15,070,053,321.19/124,174.83
  6. Step 6: Final answer
    x = 121,361.58

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1.5x scale

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.