Home / 119,830.68-165,356.64-68,827.20

Finding the Fourth Proportional to 119,830.68, 165,356.64 and 68,827.20

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Solution

The fourth proportional to 119,830.68, 165,356.64 and 68,827.20 is: 94,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,830.68 : 165,356.64 = 68,827.20 : x
  2. Step 2: Convert to fraction form
    119,830.68/165,356.64 = 68,827.20/x
  3. Step 3: Cross multiply
    119,830.68x = 165,356.64 × 68,827.20
  4. Step 4: Simplify right side
    119,830.68x = 11,381,034,532.61
  5. Step 5: Solve for x
    x = 11,381,034,532.61/119,830.68
  6. Step 6: Final answer
    x = 94,975.97

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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.