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Finding the Fourth Proportional to 104,010.20, 156,015.30 and 102,973.40

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Solution

The fourth proportional to 104,010.20, 156,015.30 and 102,973.40 is: 154,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,010.20 : 156,015.30 = 102,973.40 : x
  2. Step 2: Convert to fraction form
    104,010.20/156,015.30 = 102,973.40/x
  3. Step 3: Cross multiply
    104,010.20x = 156,015.30 × 102,973.40
  4. Step 4: Simplify right side
    104,010.20x = 16,065,425,893.02
  5. Step 5: Solve for x
    x = 16,065,425,893.02/104,010.20
  6. Step 6: Final answer
    x = 154,460.10

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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.