Home / 136,915.04-205,284.68-57,008.36

Finding the Fourth Proportional to 136,915.04, 205,284.68 and 57,008.36

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Solution

The fourth proportional to 136,915.04, 205,284.68 and 57,008.36 is: 85,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,915.04 : 205,284.68 = 57,008.36 : x
  2. Step 2: Convert to fraction form
    136,915.04/205,284.68 = 57,008.36/x
  3. Step 3: Cross multiply
    136,915.04x = 205,284.68 × 57,008.36
  4. Step 4: Simplify right side
    136,915.04x = 11,702,942,939.92
  5. Step 5: Solve for x
    x = 11,702,942,939.92/136,915.04
  6. Step 6: Final answer
    x = 85,475.95

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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.