Home / 212,145.49-292,771.29-131,598.96

Finding the Fourth Proportional to 212,145.49, 292,771.29 and 131,598.96

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Solution

The fourth proportional to 212,145.49, 292,771.29 and 131,598.96 is: 181,613.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,145.49 : 292,771.29 = 131,598.96 : x
  2. Step 2: Convert to fraction form
    212,145.49/292,771.29 = 131,598.96/x
  3. Step 3: Cross multiply
    212,145.49x = 292,771.29 × 131,598.96
  4. Step 4: Simplify right side
    212,145.49x = 38,528,397,281.86
  5. Step 5: Solve for x
    x = 38,528,397,281.86/212,145.49
  6. Step 6: Final answer
    x = 181,613.09

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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.