Home / 100,484.39-138,663.36-59,650.26

Finding the Fourth Proportional to 100,484.39, 138,663.36 and 59,650.26

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Solution

The fourth proportional to 100,484.39, 138,663.36 and 59,650.26 is: 82,314.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,484.39 : 138,663.36 = 59,650.26 : x
  2. Step 2: Convert to fraction form
    100,484.39/138,663.36 = 59,650.26/x
  3. Step 3: Cross multiply
    100,484.39x = 138,663.36 × 59,650.26
  4. Step 4: Simplify right side
    100,484.39x = 8,271,305,476.47
  5. Step 5: Solve for x
    x = 8,271,305,476.47/100,484.39
  6. Step 6: Final answer
    x = 82,314.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.