Home / 255,725.34-352,897.11-142,545.18

Finding the Fourth Proportional to 255,725.34, 352,897.11 and 142,545.18

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Solution

The fourth proportional to 255,725.34, 352,897.11 and 142,545.18 is: 196,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,725.34 : 352,897.11 = 142,545.18 : x
  2. Step 2: Convert to fraction form
    255,725.34/352,897.11 = 142,545.18/x
  3. Step 3: Cross multiply
    255,725.34x = 352,897.11 × 142,545.18
  4. Step 4: Simplify right side
    255,725.34x = 50,303,782,066.43
  5. Step 5: Solve for x
    x = 50,303,782,066.43/255,725.34
  6. Step 6: Final answer
    x = 196,710.20

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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.