Home / 177,318.80-265,762.20-77,267.60

Finding the Fourth Proportional to 177,318.80, 265,762.20 and 77,267.60

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Solution

The fourth proportional to 177,318.80, 265,762.20 and 77,267.60 is: 115,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,318.80 : 265,762.20 = 77,267.60 : x
  2. Step 2: Convert to fraction form
    177,318.80/265,762.20 = 77,267.60/x
  3. Step 3: Cross multiply
    177,318.80x = 265,762.20 × 77,267.60
  4. Step 4: Simplify right side
    177,318.80x = 20,534,807,364.72
  5. Step 5: Solve for x
    x = 20,534,807,364.72/177,318.80
  6. Step 6: Final answer
    x = 115,807.28

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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.