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Finding the Fourth Proportional to 161,751.30, 242,845.65 and 102,702.30

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Solution

The fourth proportional to 161,751.30, 242,845.65 and 102,702.30 is: 154,192.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,751.30 : 242,845.65 = 102,702.30 : x
  2. Step 2: Convert to fraction form
    161,751.30/242,845.65 = 102,702.30/x
  3. Step 3: Cross multiply
    161,751.30x = 242,845.65 × 102,702.30
  4. Step 4: Simplify right side
    161,751.30x = 24,940,806,800.00
  5. Step 5: Solve for x
    x = 24,940,806,800.00/161,751.30
  6. Step 6: Final answer
    x = 154,192.31

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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.