Home / 146,432.58-202,075.61-81,901.04

Finding the Fourth Proportional to 146,432.58, 202,075.61 and 81,901.04

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Solution

The fourth proportional to 146,432.58, 202,075.61 and 81,901.04 is: 113,022.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,432.58 : 202,075.61 = 81,901.04 : x
  2. Step 2: Convert to fraction form
    146,432.58/202,075.61 = 81,901.04/x
  3. Step 3: Cross multiply
    146,432.58x = 202,075.61 × 81,901.04
  4. Step 4: Simplify right side
    146,432.58x = 16,550,201,197.75
  5. Step 5: Solve for x
    x = 16,550,201,197.75/146,432.58
  6. Step 6: Final answer
    x = 113,022.67

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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.