Home / 132,941.72-183,461.75-72,512.36

Finding the Fourth Proportional to 132,941.72, 183,461.75 and 72,512.36

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Solution

The fourth proportional to 132,941.72, 183,461.75 and 72,512.36 is: 100,068.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,941.72 : 183,461.75 = 72,512.36 : x
  2. Step 2: Convert to fraction form
    132,941.72/183,461.75 = 72,512.36/x
  3. Step 3: Cross multiply
    132,941.72x = 183,461.75 × 72,512.36
  4. Step 4: Simplify right side
    132,941.72x = 13,303,243,182.36
  5. Step 5: Solve for x
    x = 13,303,243,182.36/132,941.72
  6. Step 6: Final answer
    x = 100,068.24

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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.