Home / 210,193.60-290,064.78-114,701.92

Finding the Fourth Proportional to 210,193.60, 290,064.78 and 114,701.92

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Solution

The fourth proportional to 210,193.60, 290,064.78 and 114,701.92 is: 158,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,193.60 : 290,064.78 = 114,701.92 : x
  2. Step 2: Convert to fraction form
    210,193.60/290,064.78 = 114,701.92/x
  3. Step 3: Cross multiply
    210,193.60x = 290,064.78 × 114,701.92
  4. Step 4: Simplify right side
    210,193.60x = 33,270,987,190.38
  5. Step 5: Solve for x
    x = 33,270,987,190.38/210,193.60
  6. Step 6: Final answer
    x = 158,287.35

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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.