Home / 145,495.88-218,219.52-40,325.48

Finding the Fourth Proportional to 145,495.88, 218,219.52 and 40,325.48

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Solution

The fourth proportional to 145,495.88, 218,219.52 and 40,325.48 is: 60,481.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,495.88 : 218,219.52 = 40,325.48 : x
  2. Step 2: Convert to fraction form
    145,495.88/218,219.52 = 40,325.48/x
  3. Step 3: Cross multiply
    145,495.88x = 218,219.52 × 40,325.48
  4. Step 4: Simplify right side
    145,495.88x = 8,799,806,889.37
  5. Step 5: Solve for x
    x = 8,799,806,889.37/145,495.88
  6. Step 6: Final answer
    x = 60,481.49

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1.5x scale

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.