Home / 177,277.04-265,914.80-72,095.12

Finding the Fourth Proportional to 177,277.04, 265,914.80 and 72,095.12

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Solution

The fourth proportional to 177,277.04, 265,914.80 and 72,095.12 is: 108,142.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,277.04 : 265,914.80 = 72,095.12 : x
  2. Step 2: Convert to fraction form
    177,277.04/265,914.80 = 72,095.12/x
  3. Step 3: Cross multiply
    177,277.04x = 265,914.80 × 72,095.12
  4. Step 4: Simplify right side
    177,277.04x = 19,171,159,415.78
  5. Step 5: Solve for x
    x = 19,171,159,415.78/177,277.04
  6. Step 6: Final answer
    x = 108,142.37

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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.