Home / 123,416.34-170,314.68-66,827.58

Finding the Fourth Proportional to 123,416.34, 170,314.68 and 66,827.58

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Solution

The fourth proportional to 123,416.34, 170,314.68 and 66,827.58 is: 92,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,416.34 : 170,314.68 = 66,827.58 : x
  2. Step 2: Convert to fraction form
    123,416.34/170,314.68 = 66,827.58/x
  3. Step 3: Cross multiply
    123,416.34x = 170,314.68 × 66,827.58
  4. Step 4: Simplify right side
    123,416.34x = 11,381,717,902.87
  5. Step 5: Solve for x
    x = 11,381,717,902.87/123,416.34
  6. Step 6: Final answer
    x = 92,222.13

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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.