Home / 125,210.34-187,938.50-91,835.37

Finding the Fourth Proportional to 125,210.34, 187,938.50 and 91,835.37

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Solution

The fourth proportional to 125,210.34, 187,938.50 and 91,835.37 is: 137,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,210.34 : 187,938.50 = 91,835.37 : x
  2. Step 2: Convert to fraction form
    125,210.34/187,938.50 = 91,835.37/x
  3. Step 3: Cross multiply
    125,210.34x = 187,938.50 × 91,835.37
  4. Step 4: Simplify right side
    125,210.34x = 17,259,401,225.57
  5. Step 5: Solve for x
    x = 17,259,401,225.57/125,210.34
  6. Step 6: Final answer
    x = 137,843.26

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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.