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Finding the Fourth Proportional to 175,358.94, 242,000.91 and 99,912.30

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Solution

The fourth proportional to 175,358.94, 242,000.91 and 99,912.30 is: 137,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,358.94 : 242,000.91 = 99,912.30 : x
  2. Step 2: Convert to fraction form
    175,358.94/242,000.91 = 99,912.30/x
  3. Step 3: Cross multiply
    175,358.94x = 242,000.91 × 99,912.30
  4. Step 4: Simplify right side
    175,358.94x = 24,178,867,520.19
  5. Step 5: Solve for x
    x = 24,178,867,520.19/175,358.94
  6. Step 6: Final answer
    x = 137,882.15

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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.