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Finding the Fourth Proportional to 162,459.64, 224,179.02 and 90,829.72

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Solution

The fourth proportional to 162,459.64, 224,179.02 and 90,829.72 is: 125,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,459.64 : 224,179.02 = 90,829.72 : x
  2. Step 2: Convert to fraction form
    162,459.64/224,179.02 = 90,829.72/x
  3. Step 3: Cross multiply
    162,459.64x = 224,179.02 × 90,829.72
  4. Step 4: Simplify right side
    162,459.64x = 20,362,117,616.47
  5. Step 5: Solve for x
    x = 20,362,117,616.47/162,459.64
  6. Step 6: Final answer
    x = 125,336.47

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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.