Home / 145,460.56-218,190.84-40,277.20

Finding the Fourth Proportional to 145,460.56, 218,190.84 and 40,277.20

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Solution

The fourth proportional to 145,460.56, 218,190.84 and 40,277.20 is: 60,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,460.56 : 218,190.84 = 40,277.20 : x
  2. Step 2: Convert to fraction form
    145,460.56/218,190.84 = 40,277.20/x
  3. Step 3: Cross multiply
    145,460.56x = 218,190.84 × 40,277.20
  4. Step 4: Simplify right side
    145,460.56x = 8,788,116,100.85
  5. Step 5: Solve for x
    x = 8,788,116,100.85/145,460.56
  6. Step 6: Final answer
    x = 60,415.80

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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.