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Finding the Fourth Proportional to 159,751.60, 220,457.95 and 88,131.60

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Solution

The fourth proportional to 159,751.60, 220,457.95 and 88,131.60 is: 121,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,751.60 : 220,457.95 = 88,131.60 : x
  2. Step 2: Convert to fraction form
    159,751.60/220,457.95 = 88,131.60/x
  3. Step 3: Cross multiply
    159,751.60x = 220,457.95 × 88,131.60
  4. Step 4: Simplify right side
    159,751.60x = 19,429,311,645.89
  5. Step 5: Solve for x
    x = 19,429,311,645.89/159,751.60
  6. Step 6: Final answer
    x = 121,622.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.