Home / 136,384.13-204,625.47-69,855.59

Finding the Fourth Proportional to 136,384.13, 204,625.47 and 69,855.59

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Solution

The fourth proportional to 136,384.13, 204,625.47 and 69,855.59 is: 104,808.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,384.13 : 204,625.47 = 69,855.59 : x
  2. Step 2: Convert to fraction form
    136,384.13/204,625.47 = 69,855.59/x
  3. Step 3: Cross multiply
    136,384.13x = 204,625.47 × 69,855.59
  4. Step 4: Simplify right side
    136,384.13x = 14,294,232,935.88
  5. Step 5: Solve for x
    x = 14,294,232,935.88/136,384.13
  6. Step 6: Final answer
    x = 104,808.62

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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.