Home / 145,509.48-218,262.60-40,324.56

Finding the Fourth Proportional to 145,509.48, 218,262.60 and 40,324.56

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Solution

The fourth proportional to 145,509.48, 218,262.60 and 40,324.56 is: 60,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,509.48 : 218,262.60 = 40,324.56 : x
  2. Step 2: Convert to fraction form
    145,509.48/218,262.60 = 40,324.56/x
  3. Step 3: Cross multiply
    145,509.48x = 218,262.60 × 40,324.56
  4. Step 4: Simplify right side
    145,509.48x = 8,801,343,309.46
  5. Step 5: Solve for x
    x = 8,801,343,309.46/145,509.48
  6. Step 6: Final answer
    x = 60,486.39

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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.