Home / 169,620.61-234,088.39-112,160.07

Finding the Fourth Proportional to 169,620.61, 234,088.39 and 112,160.07

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Solution

The fourth proportional to 169,620.61, 234,088.39 and 112,160.07 is: 154,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,620.61 : 234,088.39 = 112,160.07 : x
  2. Step 2: Convert to fraction form
    169,620.61/234,088.39 = 112,160.07/x
  3. Step 3: Cross multiply
    169,620.61x = 234,088.39 × 112,160.07
  4. Step 4: Simplify right side
    169,620.61x = 26,255,369,848.14
  5. Step 5: Solve for x
    x = 26,255,369,848.14/169,620.61
  6. Step 6: Final answer
    x = 154,788.80

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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.