Home / 131,607.42-181,621.35-75,017.58

Finding the Fourth Proportional to 131,607.42, 181,621.35 and 75,017.58

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Solution

The fourth proportional to 131,607.42, 181,621.35 and 75,017.58 is: 103,526.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,607.42 : 181,621.35 = 75,017.58 : x
  2. Step 2: Convert to fraction form
    131,607.42/181,621.35 = 75,017.58/x
  3. Step 3: Cross multiply
    131,607.42x = 181,621.35 × 75,017.58
  4. Step 4: Simplify right side
    131,607.42x = 13,624,794,153.33
  5. Step 5: Solve for x
    x = 13,624,794,153.33/131,607.42
  6. Step 6: Final answer
    x = 103,526.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.