Home / 124,622.68-171,976.62-68,035

Finding the Fourth Proportional to 124,622.68, 171,976.62 and 68,035

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Solution

The fourth proportional to 124,622.68, 171,976.62 and 68,035 is: 93,886.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,622.68 : 171,976.62 = 68,035 : x
  2. Step 2: Convert to fraction form
    124,622.68/171,976.62 = 68,035/x
  3. Step 3: Cross multiply
    124,622.68x = 171,976.62 × 68,035
  4. Step 4: Simplify right side
    124,622.68x = 11,700,429,341.70
  5. Step 5: Solve for x
    x = 11,700,429,341.70/124,622.68
  6. Step 6: Final answer
    x = 93,886.84

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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.