Home / 255,545.03-352,654.46-140,827.78

Finding the Fourth Proportional to 255,545.03, 352,654.46 and 140,827.78

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Solution

The fourth proportional to 255,545.03, 352,654.46 and 140,827.78 is: 194,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,545.03 : 352,654.46 = 140,827.78 : x
  2. Step 2: Convert to fraction form
    255,545.03/352,654.46 = 140,827.78/x
  3. Step 3: Cross multiply
    255,545.03x = 352,654.46 × 140,827.78
  4. Step 4: Simplify right side
    255,545.03x = 49,663,544,004.76
  5. Step 5: Solve for x
    x = 49,663,544,004.76/255,545.03
  6. Step 6: Final answer
    x = 194,343.62

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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.