Home / 99,754.21-149,462.15-60,228.30

Finding the Fourth Proportional to 99,754.21, 149,462.15 and 60,228.30

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Solution

The fourth proportional to 99,754.21, 149,462.15 and 60,228.30 is: 90,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,754.21 : 149,462.15 = 60,228.30 : x
  2. Step 2: Convert to fraction form
    99,754.21/149,462.15 = 60,228.30/x
  3. Step 3: Cross multiply
    99,754.21x = 149,462.15 × 60,228.30
  4. Step 4: Simplify right side
    99,754.21x = 9,001,851,208.85
  5. Step 5: Solve for x
    x = 9,001,851,208.85/99,754.21
  6. Step 6: Final answer
    x = 90,240.32

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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.