Home / 136,104.77-187,813.89-75,671.70

Finding the Fourth Proportional to 136,104.77, 187,813.89 and 75,671.70

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Solution

The fourth proportional to 136,104.77, 187,813.89 and 75,671.70 is: 104,421.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,104.77 : 187,813.89 = 75,671.70 : x
  2. Step 2: Convert to fraction form
    136,104.77/187,813.89 = 75,671.70/x
  3. Step 3: Cross multiply
    136,104.77x = 187,813.89 × 75,671.70
  4. Step 4: Simplify right side
    136,104.77x = 14,212,196,339.91
  5. Step 5: Solve for x
    x = 14,212,196,339.91/136,104.77
  6. Step 6: Final answer
    x = 104,421.00

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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.