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Finding the Fourth Proportional to 140,550.60, 210,825.90 and 93,311.40

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Solution

The fourth proportional to 140,550.60, 210,825.90 and 93,311.40 is: 139,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,550.60 : 210,825.90 = 93,311.40 : x
  2. Step 2: Convert to fraction form
    140,550.60/210,825.90 = 93,311.40/x
  3. Step 3: Cross multiply
    140,550.60x = 210,825.90 × 93,311.40
  4. Step 4: Simplify right side
    140,550.60x = 19,672,459,885.26
  5. Step 5: Solve for x
    x = 19,672,459,885.26/140,550.60
  6. Step 6: Final answer
    x = 139,967.10

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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.