Home / 102,173.88-153,184.46-70,493.54

Finding the Fourth Proportional to 102,173.88, 153,184.46 and 70,493.54

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Solution

The fourth proportional to 102,173.88, 153,184.46 and 70,493.54 is: 105,687.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,173.88 : 153,184.46 = 70,493.54 : x
  2. Step 2: Convert to fraction form
    102,173.88/153,184.46 = 70,493.54/x
  3. Step 3: Cross multiply
    102,173.88x = 153,184.46 × 70,493.54
  4. Step 4: Simplify right side
    102,173.88x = 10,798,514,858.39
  5. Step 5: Solve for x
    x = 10,798,514,858.39/102,173.88
  6. Step 6: Final answer
    x = 105,687.63

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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.