Home / 145,430.89-218,149.97-40,250.77

Finding the Fourth Proportional to 145,430.89, 218,149.97 and 40,250.77

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Solution

The fourth proportional to 145,430.89, 218,149.97 and 40,250.77 is: 60,377.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,430.89 : 218,149.97 = 40,250.77 : x
  2. Step 2: Convert to fraction form
    145,430.89/218,149.97 = 40,250.77/x
  3. Step 3: Cross multiply
    145,430.89x = 218,149.97 × 40,250.77
  4. Step 4: Simplify right side
    145,430.89x = 8,780,704,267.98
  5. Step 5: Solve for x
    x = 8,780,704,267.98/145,430.89
  6. Step 6: Final answer
    x = 60,377.16

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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.