Home / 136,090.58-203,699.10-72,752.36

Finding the Fourth Proportional to 136,090.58, 203,699.10 and 72,752.36

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Solution

The fourth proportional to 136,090.58, 203,699.10 and 72,752.36 is: 108,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,090.58 : 203,699.10 = 72,752.36 : x
  2. Step 2: Convert to fraction form
    136,090.58/203,699.10 = 72,752.36/x
  3. Step 3: Cross multiply
    136,090.58x = 203,699.10 × 72,752.36
  4. Step 4: Simplify right side
    136,090.58x = 14,819,590,254.88
  5. Step 5: Solve for x
    x = 14,819,590,254.88/136,090.58
  6. Step 6: Final answer
    x = 108,895.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.