Home / 100,263.45-138,350.39-59,962.51

Finding the Fourth Proportional to 100,263.45, 138,350.39 and 59,962.51

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Solution

The fourth proportional to 100,263.45, 138,350.39 and 59,962.51 is: 82,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,263.45 : 138,350.39 = 59,962.51 : x
  2. Step 2: Convert to fraction form
    100,263.45/138,350.39 = 59,962.51/x
  3. Step 3: Cross multiply
    100,263.45x = 138,350.39 × 59,962.51
  4. Step 4: Simplify right side
    100,263.45x = 8,295,835,952.13
  5. Step 5: Solve for x
    x = 8,295,835,952.13/100,263.45
  6. Step 6: Final answer
    x = 82,740.38

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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.