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Finding the Fourth Proportional to 152,696.36, 210,582.92 and 95,340.88

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Solution

The fourth proportional to 152,696.36, 210,582.92 and 95,340.88 is: 131,484.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,696.36 : 210,582.92 = 95,340.88 : x
  2. Step 2: Convert to fraction form
    152,696.36/210,582.92 = 95,340.88/x
  3. Step 3: Cross multiply
    152,696.36x = 210,582.92 × 95,340.88
  4. Step 4: Simplify right side
    152,696.36x = 20,077,160,905.77
  5. Step 5: Solve for x
    x = 20,077,160,905.77/152,696.36
  6. Step 6: Final answer
    x = 131,484.21

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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.