Home / 144,729.04-199,728.15-84,298.12

Finding the Fourth Proportional to 144,729.04, 199,728.15 and 84,298.12

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Solution

The fourth proportional to 144,729.04, 199,728.15 and 84,298.12 is: 116,332.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,729.04 : 199,728.15 = 84,298.12 : x
  2. Step 2: Convert to fraction form
    144,729.04/199,728.15 = 84,298.12/x
  3. Step 3: Cross multiply
    144,729.04x = 199,728.15 × 84,298.12
  4. Step 4: Simplify right side
    144,729.04x = 16,836,707,556.08
  5. Step 5: Solve for x
    x = 16,836,707,556.08/144,729.04
  6. Step 6: Final answer
    x = 116,332.61

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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.