Home / 132,569.36-182,875.98-78,816.14

Finding the Fourth Proportional to 132,569.36, 182,875.98 and 78,816.14

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Solution

The fourth proportional to 132,569.36, 182,875.98 and 78,816.14 is: 108,724.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,569.36 : 182,875.98 = 78,816.14 : x
  2. Step 2: Convert to fraction form
    132,569.36/182,875.98 = 78,816.14/x
  3. Step 3: Cross multiply
    132,569.36x = 182,875.98 × 78,816.14
  4. Step 4: Simplify right side
    132,569.36x = 14,413,578,842.32
  5. Step 5: Solve for x
    x = 14,413,578,842.32/132,569.36
  6. Step 6: Final answer
    x = 108,724.81

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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.