Home / 210,180.15-290,055.60-114,692.09

Finding the Fourth Proportional to 210,180.15, 290,055.60 and 114,692.09

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Solution

The fourth proportional to 210,180.15, 290,055.60 and 114,692.09 is: 158,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,180.15 : 290,055.60 = 114,692.09 : x
  2. Step 2: Convert to fraction form
    210,180.15/290,055.60 = 114,692.09/x
  3. Step 3: Cross multiply
    210,180.15x = 290,055.60 × 114,692.09
  4. Step 4: Simplify right side
    210,180.15x = 33,267,081,529.93
  5. Step 5: Solve for x
    x = 33,267,081,529.93/210,180.15
  6. Step 6: Final answer
    x = 158,278.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.