Home / 145,974.22-201,444.45-82,312.01

Finding the Fourth Proportional to 145,974.22, 201,444.45 and 82,312.01

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Solution

The fourth proportional to 145,974.22, 201,444.45 and 82,312.01 is: 113,590.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,974.22 : 201,444.45 = 82,312.01 : x
  2. Step 2: Convert to fraction form
    145,974.22/201,444.45 = 82,312.01/x
  3. Step 3: Cross multiply
    145,974.22x = 201,444.45 × 82,312.01
  4. Step 4: Simplify right side
    145,974.22x = 16,581,297,171.28
  5. Step 5: Solve for x
    x = 16,581,297,171.28/145,974.22
  6. Step 6: Final answer
    x = 113,590.59

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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.