Home / 102,145.01-153,218.16-35,586.38

Finding the Fourth Proportional to 102,145.01, 153,218.16 and 35,586.38

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Solution

The fourth proportional to 102,145.01, 153,218.16 and 35,586.38 is: 53,379.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,145.01 : 153,218.16 = 35,586.38 : x
  2. Step 2: Convert to fraction form
    102,145.01/153,218.16 = 35,586.38/x
  3. Step 3: Cross multiply
    102,145.01x = 153,218.16 × 35,586.38
  4. Step 4: Simplify right side
    102,145.01x = 5,452,478,898.57
  5. Step 5: Solve for x
    x = 5,452,478,898.57/102,145.01
  6. Step 6: Final answer
    x = 53,379.79

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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.