Home / 143,613.08-198,119.54-92,642.25

Finding the Fourth Proportional to 143,613.08, 198,119.54 and 92,642.25

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Solution

The fourth proportional to 143,613.08, 198,119.54 and 92,642.25 is: 127,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,613.08 : 198,119.54 = 92,642.25 : x
  2. Step 2: Convert to fraction form
    143,613.08/198,119.54 = 92,642.25/x
  3. Step 3: Cross multiply
    143,613.08x = 198,119.54 × 92,642.25
  4. Step 4: Simplify right side
    143,613.08x = 18,354,239,491.35
  5. Step 5: Solve for x
    x = 18,354,239,491.35/143,613.08
  6. Step 6: Final answer
    x = 127,803.40

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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.