Home / 132,410.37-182,729.87-71,985.11

Finding the Fourth Proportional to 132,410.37, 182,729.87 and 71,985.11

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Solution

The fourth proportional to 132,410.37, 182,729.87 and 71,985.11 is: 99,341.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,410.37 : 182,729.87 = 71,985.11 : x
  2. Step 2: Convert to fraction form
    132,410.37/182,729.87 = 71,985.11/x
  3. Step 3: Cross multiply
    132,410.37x = 182,729.87 × 71,985.11
  4. Step 4: Simplify right side
    132,410.37x = 13,153,829,792.24
  5. Step 5: Solve for x
    x = 13,153,829,792.24/132,410.37
  6. Step 6: Final answer
    x = 99,341.39

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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.