Home / 102,025.08-153,013.30-42,861.90

Finding the Fourth Proportional to 102,025.08, 153,013.30 and 42,861.90

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Solution

The fourth proportional to 102,025.08, 153,013.30 and 42,861.90 is: 64,282.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,025.08 : 153,013.30 = 42,861.90 : x
  2. Step 2: Convert to fraction form
    102,025.08/153,013.30 = 42,861.90/x
  3. Step 3: Cross multiply
    102,025.08x = 153,013.30 × 42,861.90
  4. Step 4: Simplify right side
    102,025.08x = 6,558,440,763.27
  5. Step 5: Solve for x
    x = 6,558,440,763.27/102,025.08
  6. Step 6: Final answer
    x = 64,282.63

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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.