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Finding the Fourth Proportional to 169,502.83, 233,908.63 and 93,019.96

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Solution

The fourth proportional to 169,502.83, 233,908.63 and 93,019.96 is: 128,364.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,502.83 : 233,908.63 = 93,019.96 : x
  2. Step 2: Convert to fraction form
    169,502.83/233,908.63 = 93,019.96/x
  3. Step 3: Cross multiply
    169,502.83x = 233,908.63 × 93,019.96
  4. Step 4: Simplify right side
    169,502.83x = 21,758,170,236.71
  5. Step 5: Solve for x
    x = 21,758,170,236.71/169,502.83
  6. Step 6: Final answer
    x = 128,364.64

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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.