Home / 162,329.70-224,010.68-90,710.31

Finding the Fourth Proportional to 162,329.70, 224,010.68 and 90,710.31

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Solution

The fourth proportional to 162,329.70, 224,010.68 and 90,710.31 is: 125,177.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,329.70 : 224,010.68 = 90,710.31 : x
  2. Step 2: Convert to fraction form
    162,329.70/224,010.68 = 90,710.31/x
  3. Step 3: Cross multiply
    162,329.70x = 224,010.68 × 90,710.31
  4. Step 4: Simplify right side
    162,329.70x = 20,320,078,452.89
  5. Step 5: Solve for x
    x = 20,320,078,452.89/162,329.70
  6. Step 6: Final answer
    x = 125,177.82

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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.