Home / 177,238.26-265,779.63-66,352.50

Finding the Fourth Proportional to 177,238.26, 265,779.63 and 66,352.50

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Solution

The fourth proportional to 177,238.26, 265,779.63 and 66,352.50 is: 99,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,238.26 : 265,779.63 = 66,352.50 : x
  2. Step 2: Convert to fraction form
    177,238.26/265,779.63 = 66,352.50/x
  3. Step 3: Cross multiply
    177,238.26x = 265,779.63 × 66,352.50
  4. Step 4: Simplify right side
    177,238.26x = 17,635,142,899.58
  5. Step 5: Solve for x
    x = 17,635,142,899.58/177,238.26
  6. Step 6: Final answer
    x = 99,499.64

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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.