Home / 131,527.34-181,525.50-74,178.44

Finding the Fourth Proportional to 131,527.34, 181,525.50 and 74,178.44

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Solution

The fourth proportional to 131,527.34, 181,525.50 and 74,178.44 is: 102,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,527.34 : 181,525.50 = 74,178.44 : x
  2. Step 2: Convert to fraction form
    131,527.34/181,525.50 = 74,178.44/x
  3. Step 3: Cross multiply
    131,527.34x = 181,525.50 × 74,178.44
  4. Step 4: Simplify right side
    131,527.34x = 13,465,277,502.59
  5. Step 5: Solve for x
    x = 13,465,277,502.59/131,527.34
  6. Step 6: Final answer
    x = 102,376.27

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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.