Home / 145,574.06-218,361.20-40,393.13

Finding the Fourth Proportional to 145,574.06, 218,361.20 and 40,393.13

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Solution

The fourth proportional to 145,574.06, 218,361.20 and 40,393.13 is: 60,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,574.06 : 218,361.20 = 40,393.13 : x
  2. Step 2: Convert to fraction form
    145,574.06/218,361.20 = 40,393.13/x
  3. Step 3: Cross multiply
    145,574.06x = 218,361.20 × 40,393.13
  4. Step 4: Simplify right side
    145,574.06x = 8,820,292,682.49
  5. Step 5: Solve for x
    x = 8,820,292,682.49/145,574.06
  6. Step 6: Final answer
    x = 60,589.73

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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.