Home / 255,337.92-352,360.08-142,158.24

Finding the Fourth Proportional to 255,337.92, 352,360.08 and 142,158.24

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Solution

The fourth proportional to 255,337.92, 352,360.08 and 142,158.24 is: 196,174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,337.92 : 352,360.08 = 142,158.24 : x
  2. Step 2: Convert to fraction form
    255,337.92/352,360.08 = 142,158.24/x
  3. Step 3: Cross multiply
    255,337.92x = 352,360.08 × 142,158.24
  4. Step 4: Simplify right side
    255,337.92x = 50,090,888,819.06
  5. Step 5: Solve for x
    x = 50,090,888,819.06/255,337.92
  6. Step 6: Final answer
    x = 196,174.89

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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.