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Finding the Fourth Proportional to 186,382.08, 279,152.52 and 86,332.08

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Solution

The fourth proportional to 186,382.08, 279,152.52 and 86,332.08 is: 129,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,382.08 : 279,152.52 = 86,332.08 : x
  2. Step 2: Convert to fraction form
    186,382.08/279,152.52 = 86,332.08/x
  3. Step 3: Cross multiply
    186,382.08x = 279,152.52 × 86,332.08
  4. Step 4: Simplify right side
    186,382.08x = 24,099,817,688.84
  5. Step 5: Solve for x
    x = 24,099,817,688.84/186,382.08
  6. Step 6: Final answer
    x = 129,303.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.