Home / 102,102.08-152,997.24-42,905.48

Finding the Fourth Proportional to 102,102.08, 152,997.24 and 42,905.48

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Solution

The fourth proportional to 102,102.08, 152,997.24 and 42,905.48 is: 64,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,102.08 : 152,997.24 = 42,905.48 : x
  2. Step 2: Convert to fraction form
    102,102.08/152,997.24 = 42,905.48/x
  3. Step 3: Cross multiply
    102,102.08x = 152,997.24 × 42,905.48
  4. Step 4: Simplify right side
    102,102.08x = 6,564,420,020.88
  5. Step 5: Solve for x
    x = 6,564,420,020.88/102,102.08
  6. Step 6: Final answer
    x = 64,292.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.