Home / 145,510.42-218,365.84-50,741.32

Finding the Fourth Proportional to 145,510.42, 218,365.84 and 50,741.32

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Solution

The fourth proportional to 145,510.42, 218,365.84 and 50,741.32 is: 76,146.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,510.42 : 218,365.84 = 50,741.32 : x
  2. Step 2: Convert to fraction form
    145,510.42/218,365.84 = 50,741.32/x
  3. Step 3: Cross multiply
    145,510.42x = 218,365.84 × 50,741.32
  4. Step 4: Simplify right side
    145,510.42x = 11,080,169,745.83
  5. Step 5: Solve for x
    x = 11,080,169,745.83/145,510.42
  6. Step 6: Final answer
    x = 76,146.92

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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.