Home / 177,381.90-265,841.80-72,077.76

Finding the Fourth Proportional to 177,381.90, 265,841.80 and 72,077.76

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Solution

The fourth proportional to 177,381.90, 265,841.80 and 72,077.76 is: 108,022.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,381.90 : 265,841.80 = 72,077.76 : x
  2. Step 2: Convert to fraction form
    177,381.90/265,841.80 = 72,077.76/x
  3. Step 3: Cross multiply
    177,381.90x = 265,841.80 × 72,077.76
  4. Step 4: Simplify right side
    177,381.90x = 19,161,281,458.37
  5. Step 5: Solve for x
    x = 19,161,281,458.37/177,381.90
  6. Step 6: Final answer
    x = 108,022.75

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1.5x scale

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.