Home / 123,250.85-184,876.28-118,412.45

Finding the Fourth Proportional to 123,250.85, 184,876.28 and 118,412.45

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Solution

The fourth proportional to 123,250.85, 184,876.28 and 118,412.45 is: 177,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,250.85 : 184,876.28 = 118,412.45 : x
  2. Step 2: Convert to fraction form
    123,250.85/184,876.28 = 118,412.45/x
  3. Step 3: Cross multiply
    123,250.85x = 184,876.28 × 118,412.45
  4. Step 4: Simplify right side
    123,250.85x = 21,891,652,669.62
  5. Step 5: Solve for x
    x = 21,891,652,669.62/123,250.85
  6. Step 6: Final answer
    x = 177,618.68

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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.