Home / 110,082.40-165,071.55-42,646.02

Finding the Fourth Proportional to 110,082.40, 165,071.55 and 42,646.02

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Solution

The fourth proportional to 110,082.40, 165,071.55 and 42,646.02 is: 63,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,082.40 : 165,071.55 = 42,646.02 : x
  2. Step 2: Convert to fraction form
    110,082.40/165,071.55 = 42,646.02/x
  3. Step 3: Cross multiply
    110,082.40x = 165,071.55 × 42,646.02
  4. Step 4: Simplify right side
    110,082.40x = 7,039,644,163.64
  5. Step 5: Solve for x
    x = 7,039,644,163.64/110,082.40
  6. Step 6: Final answer
    x = 63,948.86

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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.