Home / 210,265.62-290,156.42-119,613.05

Finding the Fourth Proportional to 210,265.62, 290,156.42 and 119,613.05

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Solution

The fourth proportional to 210,265.62, 290,156.42 and 119,613.05 is: 165,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,265.62 : 290,156.42 = 119,613.05 : x
  2. Step 2: Convert to fraction form
    210,265.62/290,156.42 = 119,613.05/x
  3. Step 3: Cross multiply
    210,265.62x = 290,156.42 × 119,613.05
  4. Step 4: Simplify right side
    210,265.62x = 34,706,494,799.64
  5. Step 5: Solve for x
    x = 34,706,494,799.64/210,265.62
  6. Step 6: Final answer
    x = 165,060.25

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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.