Home / 145,125.45-217,604.37-56,275.16

Finding the Fourth Proportional to 145,125.45, 217,604.37 and 56,275.16

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Solution

The fourth proportional to 145,125.45, 217,604.37 and 56,275.16 is: 84,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,125.45 : 217,604.37 = 56,275.16 : x
  2. Step 2: Convert to fraction form
    145,125.45/217,604.37 = 56,275.16/x
  3. Step 3: Cross multiply
    145,125.45x = 217,604.37 × 56,275.16
  4. Step 4: Simplify right side
    145,125.45x = 12,245,720,738.45
  5. Step 5: Solve for x
    x = 12,245,720,738.45/145,125.45
  6. Step 6: Final answer
    x = 84,380.24

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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.