Home / 145,266.20-217,976.70-56,522.60

Finding the Fourth Proportional to 145,266.20, 217,976.70 and 56,522.60

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Solution

The fourth proportional to 145,266.20, 217,976.70 and 56,522.60 is: 84,814.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,266.20 : 217,976.70 = 56,522.60 : x
  2. Step 2: Convert to fraction form
    145,266.20/217,976.70 = 56,522.60/x
  3. Step 3: Cross multiply
    145,266.20x = 217,976.70 × 56,522.60
  4. Step 4: Simplify right side
    145,266.20x = 12,320,609,823.42
  5. Step 5: Solve for x
    x = 12,320,609,823.42/145,266.20
  6. Step 6: Final answer
    x = 84,814.02

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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.