Home / 145,172.96-217,773.20-56,433.32

Finding the Fourth Proportional to 145,172.96, 217,773.20 and 56,433.32

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Solution

The fourth proportional to 145,172.96, 217,773.20 and 56,433.32 is: 84,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,172.96 : 217,773.20 = 56,433.32 : x
  2. Step 2: Convert to fraction form
    145,172.96/217,773.20 = 56,433.32/x
  3. Step 3: Cross multiply
    145,172.96x = 217,773.20 × 56,433.32
  4. Step 4: Simplify right side
    145,172.96x = 12,289,664,683.02
  5. Step 5: Solve for x
    x = 12,289,664,683.02/145,172.96
  6. Step 6: Final answer
    x = 84,655.33

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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.