Home / 255,748.81-352,934.87-148,382.77

Finding the Fourth Proportional to 255,748.81, 352,934.87 and 148,382.77

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Solution

The fourth proportional to 255,748.81, 352,934.87 and 148,382.77 is: 204,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,748.81 : 352,934.87 = 148,382.77 : x
  2. Step 2: Convert to fraction form
    255,748.81/352,934.87 = 148,382.77/x
  3. Step 3: Cross multiply
    255,748.81x = 352,934.87 × 148,382.77
  4. Step 4: Simplify right side
    255,748.81x = 52,369,453,640.19
  5. Step 5: Solve for x
    x = 52,369,453,640.19/255,748.81
  6. Step 6: Final answer
    x = 204,769.10

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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.