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Finding the Fourth Proportional to 202,130.90, 302,613.15 and 181,135.70

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Solution

The fourth proportional to 202,130.90, 302,613.15 and 181,135.70 is: 271,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,130.90 : 302,613.15 = 181,135.70 : x
  2. Step 2: Convert to fraction form
    202,130.90/302,613.15 = 181,135.70/x
  3. Step 3: Cross multiply
    202,130.90x = 302,613.15 × 181,135.70
  4. Step 4: Simplify right side
    202,130.90x = 54,814,044,754.46
  5. Step 5: Solve for x
    x = 54,814,044,754.46/202,130.90
  6. Step 6: Final answer
    x = 271,180.93

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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.