Home / 123,755.04-170,782.12-67,166.42

Finding the Fourth Proportional to 123,755.04, 170,782.12 and 67,166.42

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Solution

The fourth proportional to 123,755.04, 170,782.12 and 67,166.42 is: 92,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,755.04 : 170,782.12 = 67,166.42 : x
  2. Step 2: Convert to fraction form
    123,755.04/170,782.12 = 67,166.42/x
  3. Step 3: Cross multiply
    123,755.04x = 170,782.12 × 67,166.42
  4. Step 4: Simplify right side
    123,755.04x = 11,470,822,830.46
  5. Step 5: Solve for x
    x = 11,470,822,830.46/123,755.04
  6. Step 6: Final answer
    x = 92,689.74

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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.