Home / 125,183.07-187,784.73-40,941.45

Finding the Fourth Proportional to 125,183.07, 187,784.73 and 40,941.45

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Solution

The fourth proportional to 125,183.07, 187,784.73 and 40,941.45 is: 61,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,183.07 : 187,784.73 = 40,941.45 : x
  2. Step 2: Convert to fraction form
    125,183.07/187,784.73 = 40,941.45/x
  3. Step 3: Cross multiply
    125,183.07x = 187,784.73 × 40,941.45
  4. Step 4: Simplify right side
    125,183.07x = 7,688,179,134.06
  5. Step 5: Solve for x
    x = 7,688,179,134.06/125,183.07
  6. Step 6: Final answer
    x = 61,415.49

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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.