Home / 131,574.87-181,562.36-74,211.03

Finding the Fourth Proportional to 131,574.87, 181,562.36 and 74,211.03

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Solution

The fourth proportional to 131,574.87, 181,562.36 and 74,211.03 is: 102,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,574.87 : 181,562.36 = 74,211.03 : x
  2. Step 2: Convert to fraction form
    131,574.87/181,562.36 = 74,211.03/x
  3. Step 3: Cross multiply
    131,574.87x = 181,562.36 × 74,211.03
  4. Step 4: Simplify right side
    131,574.87x = 13,473,929,373.78
  5. Step 5: Solve for x
    x = 13,473,929,373.78/131,574.87
  6. Step 6: Final answer
    x = 102,405.04

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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.