Home / 131,022.29-180,811.37-74,436.77

Finding the Fourth Proportional to 131,022.29, 180,811.37 and 74,436.77

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Solution

The fourth proportional to 131,022.29, 180,811.37 and 74,436.77 is: 102,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,022.29 : 180,811.37 = 74,436.77 : x
  2. Step 2: Convert to fraction form
    131,022.29/180,811.37 = 74,436.77/x
  3. Step 3: Cross multiply
    131,022.29x = 180,811.37 × 74,436.77
  4. Step 4: Simplify right side
    131,022.29x = 13,459,014,362.07
  5. Step 5: Solve for x
    x = 13,459,014,362.07/131,022.29
  6. Step 6: Final answer
    x = 102,723.09

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1.5x scale

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.