Home / 131,633.60-197,450.40-89,643.20

Finding the Fourth Proportional to 131,633.60, 197,450.40 and 89,643.20

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Solution

The fourth proportional to 131,633.60, 197,450.40 and 89,643.20 is: 134,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,633.60 : 197,450.40 = 89,643.20 : x
  2. Step 2: Convert to fraction form
    131,633.60/197,450.40 = 89,643.20/x
  3. Step 3: Cross multiply
    131,633.60x = 197,450.40 × 89,643.20
  4. Step 4: Simplify right side
    131,633.60x = 17,700,085,697.28
  5. Step 5: Solve for x
    x = 17,700,085,697.28/131,633.60
  6. Step 6: Final answer
    x = 134,464.80

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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.