Home / 104,361.56-156,539.24-90,280.01

Finding the Fourth Proportional to 104,361.56, 156,539.24 and 90,280.01

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Solution

The fourth proportional to 104,361.56, 156,539.24 and 90,280.01 is: 135,417.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,361.56 : 156,539.24 = 90,280.01 : x
  2. Step 2: Convert to fraction form
    104,361.56/156,539.24 = 90,280.01/x
  3. Step 3: Cross multiply
    104,361.56x = 156,539.24 × 90,280.01
  4. Step 4: Simplify right side
    104,361.56x = 14,132,363,369.90
  5. Step 5: Solve for x
    x = 14,132,363,369.90/104,361.56
  6. Step 6: Final answer
    x = 135,417.33

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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.