Home / 132,941.21-183,448.46-72,508.32

Finding the Fourth Proportional to 132,941.21, 183,448.46 and 72,508.32

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Solution

The fourth proportional to 132,941.21, 183,448.46 and 72,508.32 is: 100,055.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,941.21 : 183,448.46 = 72,508.32 : x
  2. Step 2: Convert to fraction form
    132,941.21/183,448.46 = 72,508.32/x
  3. Step 3: Cross multiply
    132,941.21x = 183,448.46 × 72,508.32
  4. Step 4: Simplify right side
    132,941.21x = 13,301,539,822.46
  5. Step 5: Solve for x
    x = 13,301,539,822.46/132,941.21
  6. Step 6: Final answer
    x = 100,055.81

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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.