Home / 134,226.40-201,109.20-87,455.20

Finding the Fourth Proportional to 134,226.40, 201,109.20 and 87,455.20

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Solution

The fourth proportional to 134,226.40, 201,109.20 and 87,455.20 is: 131,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,226.40 : 201,109.20 = 87,455.20 : x
  2. Step 2: Convert to fraction form
    134,226.40/201,109.20 = 87,455.20/x
  3. Step 3: Cross multiply
    134,226.40x = 201,109.20 × 87,455.20
  4. Step 4: Simplify right side
    134,226.40x = 17,588,045,307.84
  5. Step 5: Solve for x
    x = 17,588,045,307.84/134,226.40
  6. Step 6: Final answer
    x = 131,032.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.