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Finding the Fourth Proportional to 162,863.61, 224,775.53 and 91,248.48

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Solution

The fourth proportional to 162,863.61, 224,775.53 and 91,248.48 is: 125,936.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,863.61 : 224,775.53 = 91,248.48 : x
  2. Step 2: Convert to fraction form
    162,863.61/224,775.53 = 91,248.48/x
  3. Step 3: Cross multiply
    162,863.61x = 224,775.53 × 91,248.48
  4. Step 4: Simplify right side
    162,863.61x = 20,510,424,997.45
  5. Step 5: Solve for x
    x = 20,510,424,997.45/162,863.61
  6. Step 6: Final answer
    x = 125,936.21

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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.