Home / 163,056.70-244,585.05-78,857.20

Finding the Fourth Proportional to 163,056.70, 244,585.05 and 78,857.20

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Solution

The fourth proportional to 163,056.70, 244,585.05 and 78,857.20 is: 118,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,056.70 : 244,585.05 = 78,857.20 : x
  2. Step 2: Convert to fraction form
    163,056.70/244,585.05 = 78,857.20/x
  3. Step 3: Cross multiply
    163,056.70x = 244,585.05 × 78,857.20
  4. Step 4: Simplify right side
    163,056.70x = 19,287,292,204.86
  5. Step 5: Solve for x
    x = 19,287,292,204.86/163,056.70
  6. Step 6: Final answer
    x = 118,285.80

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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.