Home / 102,769.10-154,151.48-47,365.10

Finding the Fourth Proportional to 102,769.10, 154,151.48 and 47,365.10

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Solution

The fourth proportional to 102,769.10, 154,151.48 and 47,365.10 is: 71,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,769.10 : 154,151.48 = 47,365.10 : x
  2. Step 2: Convert to fraction form
    102,769.10/154,151.48 = 47,365.10/x
  3. Step 3: Cross multiply
    102,769.10x = 154,151.48 × 47,365.10
  4. Step 4: Simplify right side
    102,769.10x = 7,301,400,265.35
  5. Step 5: Solve for x
    x = 7,301,400,265.35/102,769.10
  6. Step 6: Final answer
    x = 71,046.65

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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.