Home / 165,434.90-248,152.37-40,775.90

Finding the Fourth Proportional to 165,434.90, 248,152.37 and 40,775.90

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Solution

The fourth proportional to 165,434.90, 248,152.37 and 40,775.90 is: 61,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,434.90 : 248,152.37 = 40,775.90 : x
  2. Step 2: Convert to fraction form
    165,434.90/248,152.37 = 40,775.90/x
  3. Step 3: Cross multiply
    165,434.90x = 248,152.37 × 40,775.90
  4. Step 4: Simplify right side
    165,434.90x = 10,118,634,779.24
  5. Step 5: Solve for x
    x = 10,118,634,779.24/165,434.90
  6. Step 6: Final answer
    x = 61,163.85

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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.