Home / 110,000.30-165,000.45-103,549.10

Finding the Fourth Proportional to 110,000.30, 165,000.45 and 103,549.10

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Solution

The fourth proportional to 110,000.30, 165,000.45 and 103,549.10 is: 155,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,000.30 : 165,000.45 = 103,549.10 : x
  2. Step 2: Convert to fraction form
    110,000.30/165,000.45 = 103,549.10/x
  3. Step 3: Cross multiply
    110,000.30x = 165,000.45 × 103,549.10
  4. Step 4: Simplify right side
    110,000.30x = 17,085,648,097.10
  5. Step 5: Solve for x
    x = 17,085,648,097.10/110,000.30
  6. Step 6: Final answer
    x = 155,323.65

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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.