Home / 163,074.16-244,688.55-78,787.08

Finding the Fourth Proportional to 163,074.16, 244,688.55 and 78,787.08

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Solution

The fourth proportional to 163,074.16, 244,688.55 and 78,787.08 is: 118,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,074.16 : 244,688.55 = 78,787.08 : x
  2. Step 2: Convert to fraction form
    163,074.16/244,688.55 = 78,787.08/x
  3. Step 3: Cross multiply
    163,074.16x = 244,688.55 × 78,787.08
  4. Step 4: Simplify right side
    163,074.16x = 19,278,296,068.48
  5. Step 5: Solve for x
    x = 19,278,296,068.48/163,074.16
  6. Step 6: Final answer
    x = 118,217.97

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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.