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Finding the Fourth Proportional to 104,374.50, 156,588.48 and 34,254.42

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Solution

The fourth proportional to 104,374.50, 156,588.48 and 34,254.42 is: 51,390.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,374.50 : 156,588.48 = 34,254.42 : x
  2. Step 2: Convert to fraction form
    104,374.50/156,588.48 = 34,254.42/x
  3. Step 3: Cross multiply
    104,374.50x = 156,588.48 × 34,254.42
  4. Step 4: Simplify right side
    104,374.50x = 5,363,847,561.08
  5. Step 5: Solve for x
    x = 5,363,847,561.08/104,374.50
  6. Step 6: Final answer
    x = 51,390.40

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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.