Home / 177,378.90-265,837.30-72,074.76

Finding the Fourth Proportional to 177,378.90, 265,837.30 and 72,074.76

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Solution

The fourth proportional to 177,378.90, 265,837.30 and 72,074.76 is: 108,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,378.90 : 265,837.30 = 72,074.76 : x
  2. Step 2: Convert to fraction form
    177,378.90/265,837.30 = 72,074.76/x
  3. Step 3: Cross multiply
    177,378.90x = 265,837.30 × 72,074.76
  4. Step 4: Simplify right side
    177,378.90x = 19,160,159,596.55
  5. Step 5: Solve for x
    x = 19,160,159,596.55/177,378.90
  6. Step 6: Final answer
    x = 108,018.26

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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.