Home / 110,000.21-165,000.30-57,397.39

Finding the Fourth Proportional to 110,000.21, 165,000.30 and 57,397.39

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Solution

The fourth proportional to 110,000.21, 165,000.30 and 57,397.39 is: 86,096.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,000.21 : 165,000.30 = 57,397.39 : x
  2. Step 2: Convert to fraction form
    110,000.21/165,000.30 = 57,397.39/x
  3. Step 3: Cross multiply
    110,000.21x = 165,000.30 × 57,397.39
  4. Step 4: Simplify right side
    110,000.21x = 9,470,586,569.22
  5. Step 5: Solve for x
    x = 9,470,586,569.22/110,000.21
  6. Step 6: Final answer
    x = 86,096.08

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1.5x scale

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.