Home / 125,167.85-187,751.73-83,130

Finding the Fourth Proportional to 125,167.85, 187,751.73 and 83,130

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Solution

The fourth proportional to 125,167.85, 187,751.73 and 83,130 is: 124,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,167.85 : 187,751.73 = 83,130 : x
  2. Step 2: Convert to fraction form
    125,167.85/187,751.73 = 83,130/x
  3. Step 3: Cross multiply
    125,167.85x = 187,751.73 × 83,130
  4. Step 4: Simplify right side
    125,167.85x = 15,607,801,314.90
  5. Step 5: Solve for x
    x = 15,607,801,314.90/125,167.85
  6. Step 6: Final answer
    x = 124,694.98

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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.