Home / 122,095.17-168,505.25-74,376.45

Finding the Fourth Proportional to 122,095.17, 168,505.25 and 74,376.45

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Solution

The fourth proportional to 122,095.17, 168,505.25 and 74,376.45 is: 102,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,095.17 : 168,505.25 = 74,376.45 : x
  2. Step 2: Convert to fraction form
    122,095.17/168,505.25 = 74,376.45/x
  3. Step 3: Cross multiply
    122,095.17x = 168,505.25 × 74,376.45
  4. Step 4: Simplify right side
    122,095.17x = 12,532,821,929.48
  5. Step 5: Solve for x
    x = 12,532,821,929.48/122,095.17
  6. Step 6: Final answer
    x = 102,647.97

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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.