Home / 110,543.20-165,795.60-40,386.40

Finding the Fourth Proportional to 110,543.20, 165,795.60 and 40,386.40

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Solution

The fourth proportional to 110,543.20, 165,795.60 and 40,386.40 is: 60,572.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,543.20 : 165,795.60 = 40,386.40 : x
  2. Step 2: Convert to fraction form
    110,543.20/165,795.60 = 40,386.40/x
  3. Step 3: Cross multiply
    110,543.20x = 165,795.60 × 40,386.40
  4. Step 4: Simplify right side
    110,543.20x = 6,695,887,419.84
  5. Step 5: Solve for x
    x = 6,695,887,419.84/110,543.20
  6. Step 6: Final answer
    x = 60,572.59

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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.