Home / 145,415.02-218,122.22-40,233.68

Finding the Fourth Proportional to 145,415.02, 218,122.22 and 40,233.68

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Solution

The fourth proportional to 145,415.02, 218,122.22 and 40,233.68 is: 60,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,415.02 : 218,122.22 = 40,233.68 : x
  2. Step 2: Convert to fraction form
    145,415.02/218,122.22 = 40,233.68/x
  3. Step 3: Cross multiply
    145,415.02x = 218,122.22 × 40,233.68
  4. Step 4: Simplify right side
    145,415.02x = 8,775,859,600.37
  5. Step 5: Solve for x
    x = 8,775,859,600.37/145,415.02
  6. Step 6: Final answer
    x = 60,350.43

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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.