Home / 122,151.04-168,566.88-68,435.04

Finding the Fourth Proportional to 122,151.04, 168,566.88 and 68,435.04

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Solution

The fourth proportional to 122,151.04, 168,566.88 and 68,435.04 is: 94,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,151.04 : 168,566.88 = 68,435.04 : x
  2. Step 2: Convert to fraction form
    122,151.04/168,566.88 = 68,435.04/x
  3. Step 3: Cross multiply
    122,151.04x = 168,566.88 × 68,435.04
  4. Step 4: Simplify right side
    122,151.04x = 11,535,881,175.48
  5. Step 5: Solve for x
    x = 11,535,881,175.48/122,151.04
  6. Step 6: Final answer
    x = 94,439.48

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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.