Home / 101,639.97-140,259.35-58,621.25

Finding the Fourth Proportional to 101,639.97, 140,259.35 and 58,621.25

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Solution

The fourth proportional to 101,639.97, 140,259.35 and 58,621.25 is: 80,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,639.97 : 140,259.35 = 58,621.25 : x
  2. Step 2: Convert to fraction form
    101,639.97/140,259.35 = 58,621.25/x
  3. Step 3: Cross multiply
    101,639.97x = 140,259.35 × 58,621.25
  4. Step 4: Simplify right side
    101,639.97x = 8,222,178,918.39
  5. Step 5: Solve for x
    x = 8,222,178,918.39/101,639.97
  6. Step 6: Final answer
    x = 80,895.13

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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.