Home / 113,830.58-170,764.39-42,758.75

Finding the Fourth Proportional to 113,830.58, 170,764.39 and 42,758.75

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Solution

The fourth proportional to 113,830.58, 170,764.39 and 42,758.75 is: 64,145.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,830.58 : 170,764.39 = 42,758.75 : x
  2. Step 2: Convert to fraction form
    113,830.58/170,764.39 = 42,758.75/x
  3. Step 3: Cross multiply
    113,830.58x = 170,764.39 × 42,758.75
  4. Step 4: Simplify right side
    113,830.58x = 7,301,671,860.91
  5. Step 5: Solve for x
    x = 7,301,671,860.91/113,830.58
  6. Step 6: Final answer
    x = 64,145.08

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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.