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Finding the Fourth Proportional to 162,461.77, 224,218.13 and 90,845.75

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Solution

The fourth proportional to 162,461.77, 224,218.13 and 90,845.75 is: 125,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,461.77 : 224,218.13 = 90,845.75 : x
  2. Step 2: Convert to fraction form
    162,461.77/224,218.13 = 90,845.75/x
  3. Step 3: Cross multiply
    162,461.77x = 224,218.13 × 90,845.75
  4. Step 4: Simplify right side
    162,461.77x = 20,369,264,289.76
  5. Step 5: Solve for x
    x = 20,369,264,289.76/162,461.77
  6. Step 6: Final answer
    x = 125,378.82

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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.