Home / 140,423.20-210,635.70-56,190.40

Finding the Fourth Proportional to 140,423.20, 210,635.70 and 56,190.40

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Solution

The fourth proportional to 140,423.20, 210,635.70 and 56,190.40 is: 84,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,423.20 : 210,635.70 = 56,190.40 : x
  2. Step 2: Convert to fraction form
    140,423.20/210,635.70 = 56,190.40/x
  3. Step 3: Cross multiply
    140,423.20x = 210,635.70 × 56,190.40
  4. Step 4: Simplify right side
    140,423.20x = 11,835,704,237.28
  5. Step 5: Solve for x
    x = 11,835,704,237.28/140,423.20
  6. Step 6: Final answer
    x = 84,285.96

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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.