Home / 252,738.64-348,776.52-139,559.12

Finding the Fourth Proportional to 252,738.64, 348,776.52 and 139,559.12

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Solution

The fourth proportional to 252,738.64, 348,776.52 and 139,559.12 is: 192,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,738.64 : 348,776.52 = 139,559.12 : x
  2. Step 2: Convert to fraction form
    252,738.64/348,776.52 = 139,559.12/x
  3. Step 3: Cross multiply
    252,738.64x = 348,776.52 × 139,559.12
  4. Step 4: Simplify right side
    252,738.64x = 48,674,944,207.86
  5. Step 5: Solve for x
    x = 48,674,944,207.86/252,738.64
  6. Step 6: Final answer
    x = 192,590.04

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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.