Home / 125,142.57-187,699.28-50,259.69

Finding the Fourth Proportional to 125,142.57, 187,699.28 and 50,259.69

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Solution

The fourth proportional to 125,142.57, 187,699.28 and 50,259.69 is: 75,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,142.57 : 187,699.28 = 50,259.69 : x
  2. Step 2: Convert to fraction form
    125,142.57/187,699.28 = 50,259.69/x
  3. Step 3: Cross multiply
    125,142.57x = 187,699.28 × 50,259.69
  4. Step 4: Simplify right side
    125,142.57x = 9,433,707,374.72
  5. Step 5: Solve for x
    x = 9,433,707,374.72/125,142.57
  6. Step 6: Final answer
    x = 75,383.68

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1.5x scale

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.