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Finding the Fourth Proportional to 162,329.81, 224,010.81 and 90,710.42

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Solution

The fourth proportional to 162,329.81, 224,010.81 and 90,710.42 is: 125,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,329.81 : 224,010.81 = 90,710.42 : x
  2. Step 2: Convert to fraction form
    162,329.81/224,010.81 = 90,710.42/x
  3. Step 3: Cross multiply
    162,329.81x = 224,010.81 × 90,710.42
  4. Step 4: Simplify right side
    162,329.81x = 20,320,113,539.59
  5. Step 5: Solve for x
    x = 20,320,113,539.59/162,329.81
  6. Step 6: Final answer
    x = 125,177.96

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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.