Home / 165,434.02-248,151.05-40,775.02

Finding the Fourth Proportional to 165,434.02, 248,151.05 and 40,775.02

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Solution

The fourth proportional to 165,434.02, 248,151.05 and 40,775.02 is: 61,162.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,434.02 : 248,151.05 = 40,775.02 : x
  2. Step 2: Convert to fraction form
    165,434.02/248,151.05 = 40,775.02/x
  3. Step 3: Cross multiply
    165,434.02x = 248,151.05 × 40,775.02
  4. Step 4: Simplify right side
    165,434.02x = 10,118,363,355.42
  5. Step 5: Solve for x
    x = 10,118,363,355.42/165,434.02
  6. Step 6: Final answer
    x = 61,162.53

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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.