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Finding the Fourth Proportional to 162,908.94, 224,814.02 and 99,246.76

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Solution

The fourth proportional to 162,908.94, 224,814.02 and 99,246.76 is: 136,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,908.94 : 224,814.02 = 99,246.76 : x
  2. Step 2: Convert to fraction form
    162,908.94/224,814.02 = 99,246.76/x
  3. Step 3: Cross multiply
    162,908.94x = 224,814.02 × 99,246.76
  4. Step 4: Simplify right side
    162,908.94x = 22,312,063,087.58
  5. Step 5: Solve for x
    x = 22,312,063,087.58/162,908.94
  6. Step 6: Final answer
    x = 136,960.34

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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.