Home / 136,599.40-204,887.58-77,248.36

Finding the Fourth Proportional to 136,599.40, 204,887.58 and 77,248.36

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Solution

The fourth proportional to 136,599.40, 204,887.58 and 77,248.36 is: 115,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,599.40 : 204,887.58 = 77,248.36 : x
  2. Step 2: Convert to fraction form
    136,599.40/204,887.58 = 77,248.36/x
  3. Step 3: Cross multiply
    136,599.40x = 204,887.58 × 77,248.36
  4. Step 4: Simplify right side
    136,599.40x = 15,827,229,539.37
  5. Step 5: Solve for x
    x = 15,827,229,539.37/136,599.40
  6. Step 6: Final answer
    x = 115,866.03

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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.