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Finding the Fourth Proportional to 159,751.46, 220,457.76 and 88,131.46

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Solution

The fourth proportional to 159,751.46, 220,457.76 and 88,131.46 is: 121,621.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,751.46 : 220,457.76 = 88,131.46 : x
  2. Step 2: Convert to fraction form
    159,751.46/220,457.76 = 88,131.46/x
  3. Step 3: Cross multiply
    159,751.46x = 220,457.76 × 88,131.46
  4. Step 4: Simplify right side
    159,751.46x = 19,429,264,257.13
  5. Step 5: Solve for x
    x = 19,429,264,257.13/159,751.46
  6. Step 6: Final answer
    x = 121,621.83

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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.