Home / 145,977.53-201,449.03-82,315.35

Finding the Fourth Proportional to 145,977.53, 201,449.03 and 82,315.35

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Solution

The fourth proportional to 145,977.53, 201,449.03 and 82,315.35 is: 113,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,977.53 : 201,449.03 = 82,315.35 : x
  2. Step 2: Convert to fraction form
    145,977.53/201,449.03 = 82,315.35/x
  3. Step 3: Cross multiply
    145,977.53x = 201,449.03 × 82,315.35
  4. Step 4: Simplify right side
    145,977.53x = 16,582,347,617.40
  5. Step 5: Solve for x
    x = 16,582,347,617.40/145,977.53
  6. Step 6: Final answer
    x = 113,595.20

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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.