Home / 454,340.90-681,518.45-134,525.21

Finding the Fourth Proportional to 454,340.90, 681,518.45 and 134,525.21

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Solution

The fourth proportional to 454,340.90, 681,518.45 and 134,525.21 is: 201,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,340.90 : 681,518.45 = 134,525.21 : x
  2. Step 2: Convert to fraction form
    454,340.90/681,518.45 = 134,525.21/x
  3. Step 3: Cross multiply
    454,340.90x = 681,518.45 × 134,525.21
  4. Step 4: Simplify right side
    454,340.90x = 91,681,409,533.85
  5. Step 5: Solve for x
    x = 91,681,409,533.85/454,340.90
  6. Step 6: Final answer
    x = 201,789.91

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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.